400322776707 has 24 divisors (see below), whose sum is σ = 660878100480. Its totient is φ = 228746248560.

The previous prime is 400322776687. The next prime is 400322776717. The reversal of 400322776707 is 707677223004.

It is not a de Polignac number, because 400322776707 - 2¹² = 400322772611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400322776717) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1540894 + ... + 1781852.

It is an arithmetic number, because the mean of its divisors is an integer number (27536587520).

Almost surely, 2^400322776707 is an apocalyptic number.

400322776707 is a deficient number, since it is larger than the sum of its proper divisors (260555323773).

400322776707 is a wasteful number, since it uses less digits than its factorization.

400322776707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267343 (or 267340 counting only the distinct ones).

The product of its (nonzero) digits is 691488, while the sum is 45.

The spelling of 400322776707 in words is "four hundred billion, three hundred twenty-two million, seven hundred seventy-six thousand, seven hundred seven".