400476534 has 16 divisors (see below), whose sum is σ = 801258480. Its totient is φ = 133441280.

The previous prime is 400476499. The next prime is 400476541. The reversal of 400476534 is 435674004.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 400476495 and 400476504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6574 + ... + 29054.

It is an arithmetic number, because the mean of its divisors is an integer number (50078655).

Almost surely, 2^400476534 is an apocalyptic number.

400476534 is an abundant number, since it is smaller than the sum of its proper divisors (400781946).

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

400476534 is a wasteful number, since it uses less digits than its factorization.

400476534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25455.

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 400476534 is about 20011.9098039143. The cubic root of 400476534 is about 737.0987779900.

The spelling of 400476534 in words is "four hundred million, four hundred seventy-six thousand, five hundred thirty-four".