400464200460 has 48 divisors (see below), whose sum is σ = 1121481166176. Its totient is φ = 106773176832.

The previous prime is 400464200459. The next prime is 400464200489. The reversal of 400464200460 is 64002464004.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 163767 + ... + 909806.

It is an arithmetic number, because the mean of its divisors is an integer number (23364190962).

Almost surely, 2^400464200460 is an apocalyptic number.

It is an amenable number.

400464200460 is an abundant number, since it is smaller than the sum of its proper divisors (721016965716).

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

400464200460 is a wasteful number, since it uses less digits than its factorization.

400464200460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079802 (or 1079800 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 400464200460 its reverse (64002464004), we get a palindrome (464466664464).

The spelling of 400464200460 in words is "four hundred billion, four hundred sixty-four million, two hundred thousand, four hundred sixty".