3557642340 has 96 divisors (see below), whose sum is σ = 11443703040. Its totient is φ = 808943616.

The previous prime is 3557642339. The next prime is 3557642353. The reversal of 3557642340 is 432467553.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59116 + ... + 103004.

It is an arithmetic number, because the mean of its divisors is an integer number (119205240).

Almost surely, 2^3557642340 is an apocalyptic number.

3557642340 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 3557642340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5721851520).

3557642340 is an abundant number, since it is smaller than the sum of its proper divisors (7886060700).

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

3557642340 is a wasteful number, since it uses less digits than its factorization.

3557642340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44101 (or 44099 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 39.

The square root of 3557642340 is about 59645.9750528064. The cubic root of 3557642340 is about 1526.5841948249.

The spelling of 3557642340 in words is "three billion, five hundred fifty-seven million, six hundred forty-two thousand, three hundred forty".