400552693830 has 24 divisors (see below), whose sum is σ = 1041437004192. Its totient is φ = 106814051664.

The previous prime is 400552693823. The next prime is 400552693843. The reversal of 400552693830 is 38396255004.

400552693830 is a `hidden beast` number, since 4 + 0 + 0 + 5 + 5 + 269 + 383 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2225292654 + ... + 2225292833.

It is an arithmetic number, because the mean of its divisors is an integer number (43393208508).

Almost surely, 2^400552693830 is an apocalyptic number.

400552693830 is an abundant number, since it is smaller than the sum of its proper divisors (640884310362).

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

400552693830 is a wasteful number, since it uses less digits than its factorization.

400552693830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4450585500 (or 4450585497 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 400552693830 in words is "four hundred billion, five hundred fifty-two million, six hundred ninety-three thousand, eight hundred thirty".