400528552 has 16 divisors (see below), whose sum is σ = 771288660. Its totient is φ = 194851584.

The previous prime is 400528543. The next prime is 400528553. The reversal of 400528552 is 255825004.

It can be written as a sum of positive squares in 2 ways, for example, as 391802436 + 8726116 = 19794^2 + 2954^2 .

It is not an unprimeable number, because it can be changed into a prime (400528553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676273 + ... + 676864.

Almost surely, 2^400528552 is an apocalyptic number.

It is an amenable number.

400528552 is a deficient number, since it is larger than the sum of its proper divisors (370760108).

400528552 is a wasteful number, since it uses less digits than its factorization.

400528552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353180 (or 1353176 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 400528552 is about 20013.2094377688. The cubic root of 400528552 is about 737.1306905916.

The spelling of 400528552 in words is "four hundred million, five hundred twenty-eight thousand, five hundred fifty-two".