400437415063 has 8 divisors (see below), whose sum is σ = 457711766432. Its totient is φ = 343180315296.

The previous prime is 400437415057. The next prime is 400437415097. The reversal of 400437415063 is 360514734004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 400437415063 - 2¹³ = 400437406871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400437415013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4263120 + ... + 4356037.

It is an arithmetic number, because the mean of its divisors is an integer number (57213970804).

Almost surely, 2^400437415063 is an apocalyptic number.

400437415063 is a deficient number, since it is larger than the sum of its proper divisors (57274351369).

400437415063 is an equidigital number, since it uses as much as digits as its factorization.

400437415063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8625801.

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 400437415063 in words is "four hundred billion, four hundred thirty-seven million, four hundred fifteen thousand, sixty-three".