3250442520 has 160 divisors (see below), whose sum is σ = 11765643120. Its totient is φ = 800098560.

The previous prime is 3250442519. The next prime is 3250442521. The reversal of 3250442520 is 252440523.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3250442519) and next prime (3250442521).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3250442521) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3535 + ... + 80705.

Almost surely, 2^3250442520 is an apocalyptic number.

3250442520 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 3250442520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5882821560).

3250442520 is an abundant number, since it is smaller than the sum of its proper divisors (8515200600).

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

3250442520 is a wasteful number, since it uses less digits than its factorization.

3250442520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77207 (or 77194 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 3250442520 is about 57012.6522799983. The cubic root of 3250442520 is about 1481.3152600634.

The spelling of 3250442520 in words is "three billion, two hundred fifty million, four hundred forty-two thousand, five hundred twenty".