3452297940 has 216 divisors, whose sum is σ = 13119167880. Its totient is φ = 728372736.

The previous prime is 3452297911. The next prime is 3452297951. The reversal of 3452297940 is 497922543.

3452297940 is a `hidden beast` number, since 34 + 522 + 9 + 7 + 94 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9659664 + 3442638276 = 3108^2 + 58674^2 .

It is a super-2 number, since 2×3452297940² = 23836722133056487200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 99606 + ... + 129714.

Almost surely, 2^3452297940 is an apocalyptic number.

3452297940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3452297940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6559583940).

3452297940 is an abundant number, since it is smaller than the sum of its proper divisors (9666869940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3452297940 is a wasteful number, since it uses less digits than its factorization.

3452297940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30151 (or 30139 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 3452297940 is about 58756.2587304536. The cubic root of 3452297940 is about 1511.3652170755.

The spelling of 3452297940 in words is "three billion, four hundred fifty-two million, two hundred ninety-seven thousand, nine hundred forty".