32555901940 has 12 divisors (see below), whose sum is σ = 68367394116. Its totient is φ = 13022360768.

The previous prime is 32555901923. The next prime is 32555901943. The reversal of 32555901940 is 4910955523.

It can be written as a sum of positive squares in 2 ways, for example, as 4927478416 + 27628423524 = 70196^2 + 166218^2 .

It is a super-2 number, since 2×32555901940² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32555901943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813897529 + ... + 813897568.

It is an arithmetic number, because the mean of its divisors is an integer number (5697282843).

Almost surely, 2^32555901940 is an apocalyptic number.

It is an amenable number.

32555901940 is an abundant number, since it is smaller than the sum of its proper divisors (35811492176).

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

32555901940 is a wasteful number, since it uses less digits than its factorization.

32555901940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627795106 (or 1627795104 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 43.

The spelling of 32555901940 in words is "thirty-two billion, five hundred fifty-five million, nine hundred one thousand, nine hundred forty".