400253433052 has 18 divisors (see below), whose sum is σ = 769908980624. Its totient is φ = 181933378440.

The previous prime is 400253433023. The next prime is 400253433053. The reversal of 400253433052 is 250334352004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400253433053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 413484468 + ... + 413485435.

Almost surely, 2^400253433052 is an apocalyptic number.

It is an amenable number.

400253433052 is a deficient number, since it is larger than the sum of its proper divisors (369655547572).

400253433052 is a wasteful number, since it uses less digits than its factorization.

400253433052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826969929 (or 826969916 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 400253433052 its reverse (250334352004), we get a palindrome (650587785056).

The spelling of 400253433052 in words is "four hundred billion, two hundred fifty-three million, four hundred thirty-three thousand, fifty-two".