400552030 has 16 divisors (see below), whose sum is σ = 722713824. Its totient is φ = 159838560.

The previous prime is 400552013. The next prime is 400552049. The reversal of 400552030 is 30255004.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 400551989 and 400552007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43362 + ... + 51781.

It is an arithmetic number, because the mean of its divisors is an integer number (45169614).

Almost surely, 2^400552030 is an apocalyptic number.

400552030 is a deficient number, since it is larger than the sum of its proper divisors (322161794).

400552030 is a wasteful number, since it uses less digits than its factorization.

400552030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95571.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 400552030 is about 20013.7959917653. The cubic root of 400552030 is about 737.1450932404.

The spelling of 400552030 in words is "four hundred million, five hundred fifty-two thousand, thirty".