252045345604 has 24 divisors (see below), whose sum is σ = 476996042880. Its totient is φ = 115841884704.

The previous prime is 252045345593. The next prime is 252045345611. The reversal of 252045345604 is 406543540252.

It is a happy 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, 10127794 + ... + 10152649.

It is an arithmetic number, because the mean of its divisors is an integer number (19874835120).

Almost surely, 2^252045345604 is an apocalyptic number.

It is an amenable number.

252045345604 is a deficient number, since it is larger than the sum of its proper divisors (224950697276).

252045345604 is a wasteful number, since it uses less digits than its factorization.

252045345604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20280699 (or 20280697 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 252045345604 its reverse (406543540252), we get a palindrome (658588885856).

The spelling of 252045345604 in words is "two hundred fifty-two billion, forty-five million, three hundred forty-five thousand, six hundred four".