920400052400 has 60 divisors (see below), whose sum is σ = 2211421548504. Its totient is φ = 368133312000.

The previous prime is 920400052393. The next prime is 920400052421. The reversal of 920400052400 is 4250004029.

It is a self number, because there is not a number n which added to its sum of digits gives 920400052400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5988515 + ... + 6140285.

Almost surely, 2^920400052400 is an apocalyptic number.

It is an amenable number.

920400052400 is an abundant number, since it is smaller than the sum of its proper divisors (1291021496104).

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

920400052400 is a wasteful number, since it uses less digits than its factorization.

920400052400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166950 (or 166939 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 920400052400 its reverse (4250004029), we get a palindrome (924650056429).

The spelling of 920400052400 in words is "nine hundred twenty billion, four hundred million, fifty-two thousand, four hundred".