400450024452 has 24 divisors (see below), whose sum is σ = 935113984000. Its totient is φ = 133378970976.

The previous prime is 400450024409. The next prime is 400450024487. The reversal of 400450024452 is 254420054004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13030327 + ... + 13061022.

Almost surely, 2^400450024452 is an apocalyptic number.

It is an amenable number.

400450024452 is an abundant number, since it is smaller than the sum of its proper divisors (534663959548).

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

400450024452 is a wasteful number, since it uses less digits than its factorization.

400450024452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26092635 (or 26092633 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

Adding to 400450024452 its reverse (254420054004), we get a palindrome (654870078456).

The spelling of 400450024452 in words is "four hundred billion, four hundred fifty million, twenty-four thousand, four hundred fifty-two".