400654050 has 48 divisors (see below), whose sum is σ = 1017872352. Its totient is φ = 104233600.

The previous prime is 400653989. The next prime is 400654057. The reversal of 400654050 is 50456004.

It is a self number, because there is not a number n which added to its sum of digits gives 400654050.

It is not an unprimeable number, because it can be changed into a prime (400654057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26424 + ... + 38723.

It is an arithmetic number, because the mean of its divisors is an integer number (21205674).

Almost surely, 2^400654050 is an apocalyptic number.

400654050 is an abundant number, since it is smaller than the sum of its proper divisors (617218302).

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

400654050 is a wasteful number, since it uses less digits than its factorization.

400654050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65203 (or 65198 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 400654050 is about 20016.3445713747. The cubic root of 400654050 is about 737.2076711770.

The spelling of 400654050 in words is "four hundred million, six hundred fifty-four thousand, fifty".