400286051 has 16 divisors (see below), whose sum is σ = 447959808. Its totient is φ = 354588000.

The previous prime is 400286039. The next prime is 400286071. The reversal of 400286051 is 150682004.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400286051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 400286051.

It is not an unprimeable number, because it can be changed into a prime (400286021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85760 + ... + 90306.

It is an arithmetic number, because the mean of its divisors is an integer number (27997488).

Almost surely, 2^400286051 is an apocalyptic number.

400286051 is a deficient number, since it is larger than the sum of its proper divisors (47673757).

400286051 is a wasteful number, since it uses less digits than its factorization.

400286051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4762.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 400286051 is about 20007.1499969386. The cubic root of 400286051 is about 736.9818946928.

The spelling of 400286051 in words is "four hundred million, two hundred eighty-six thousand, fifty-one".