400553230 has 64 divisors (see below), whose sum is σ = 901435392. Its totient is φ = 124496640.

The previous prime is 400553207. The next prime is 400553239. The reversal of 400553230 is 32355004.

400553230 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400553239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 466962 + ... + 467818.

It is an arithmetic number, because the mean of its divisors is an integer number (14084928).

Almost surely, 2^400553230 is an apocalyptic number.

400553230 is an abundant number, since it is smaller than the sum of its proper divisors (500882162).

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

400553230 is a wasteful number, since it uses less digits than its factorization.

400553230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 400553230 is about 20013.8259710631. The cubic root of 400553230 is about 737.1458293688.

The spelling of 400553230 in words is "four hundred million, five hundred fifty-three thousand, two hundred thirty".