352996640 has 48 divisors (see below), whose sum is σ = 870222528. Its totient is φ = 135058176.

The previous prime is 352996621. The next prime is 352996643. The reversal of 352996640 is 46699253.

It is a junction number, because it is equal to n+sod(n) for n = 352996591 and 352996600.

It is not an unprimeable number, because it can be changed into a prime (352996643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44282 + ... + 51641.

It is an arithmetic number, because the mean of its divisors is an integer number (18129636).

Almost surely, 2^352996640 is an apocalyptic number.

It is an amenable number.

352996640 is an abundant number, since it is smaller than the sum of its proper divisors (517225888).

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

352996640 is a wasteful number, since it uses less digits than its factorization.

352996640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95961 (or 95953 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 352996640 is about 18788.2048104655. The cubic root of 352996640 is about 706.7354191246.

The spelling of 352996640 in words is "three hundred fifty-two million, nine hundred ninety-six thousand, six hundred forty".