400334552 has 8 divisors (see below), whose sum is σ = 750627300. Its totient is φ = 200167272.

The previous prime is 400334551. The next prime is 400334563. The reversal of 400334552 is 255433004.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400334551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25020902 + ... + 25020917.

Almost surely, 2^400334552 is an apocalyptic number.

It is an amenable number.

400334552 is a deficient number, since it is larger than the sum of its proper divisors (350292748).

400334552 is a wasteful number, since it uses less digits than its factorization.

400334552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50041825 (or 50041821 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 400334552 is about 20008.3620519022. The cubic root of 400334552 is about 737.0116591702.

Adding to 400334552 its reverse (255433004), we get a palindrome (655767556).

The spelling of 400334552 in words is "four hundred million, three hundred thirty-four thousand, five hundred fifty-two".