32290393902 has 16 divisors (see below), whose sum is σ = 69548540880. Its totient is φ = 9935505792.

The previous prime is 32290393871. The next prime is 32290393907. The reversal of 32290393902 is 20939309223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32290393907) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 206989627 + ... + 206989782.

It is an arithmetic number, because the mean of its divisors is an integer number (4346783805).

Almost surely, 2^32290393902 is an apocalyptic number.

32290393902 is an abundant number, since it is smaller than the sum of its proper divisors (37258146978).

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

32290393902 is a wasteful number, since it uses less digits than its factorization.

32290393902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413979427.

The product of its (nonzero) digits is 157464, while the sum is 42.

The spelling of 32290393902 in words is "thirty-two billion, two hundred ninety million, three hundred ninety-three thousand, nine hundred two".