400444484802 has 32 divisors (see below), whose sum is σ = 835794052992. Its totient is φ = 127665145344.

The previous prime is 400444484771. The next prime is 400444484807. The reversal of 400444484802 is 208484444004.

It is not an unprimeable number, because it can be changed into a prime (400444484807) 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, 1286148 + ... + 1566864.

It is an arithmetic number, because the mean of its divisors is an integer number (26118564156).

Almost surely, 2^400444484802 is an apocalyptic number.

400444484802 is an abundant number, since it is smaller than the sum of its proper divisors (435349568190).

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

400444484802 is a wasteful number, since it uses less digits than its factorization.

400444484802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291082.

The product of its (nonzero) digits is 524288, while the sum is 42.

The spelling of 400444484802 in words is "four hundred billion, four hundred forty-four million, four hundred eighty-four thousand, eight hundred two".