32400455252 has 24 divisors (see below), whose sum is σ = 62169418080. Its totient is φ = 14652716960.

The previous prime is 32400455249. The next prime is 32400455267. The reversal of 32400455252 is 25255400423.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1860302 + ... + 1877637.

It is an arithmetic number, because the mean of its divisors is an integer number (2590392420).

Almost surely, 2^32400455252 is an apocalyptic number.

It is an amenable number.

32400455252 is a deficient number, since it is larger than the sum of its proper divisors (29768962828).

32400455252 is a wasteful number, since it uses less digits than its factorization.

32400455252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3738151 (or 3738149 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

Adding to 32400455252 its reverse (25255400423), we get a palindrome (57655855675).

The spelling of 32400455252 in words is "thirty-two billion, four hundred million, four hundred fifty-five thousand, two hundred fifty-two".