400684306475 has 12 divisors (see below), whose sum is σ = 497009480280. Its totient is φ = 320443612800.

The previous prime is 400684306459. The next prime is 400684306487. The reversal of 400684306475 is 574603486004.

It is not a de Polignac number, because 400684306475 - 2⁴ = 400684306459 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2517041 + ... + 2671490.

It is an arithmetic number, because the mean of its divisors is an integer number (41417456690).

Almost surely, 2^400684306475 is an apocalyptic number.

400684306475 is a deficient number, since it is larger than the sum of its proper divisors (96325173805).

400684306475 is a wasteful number, since it uses less digits than its factorization.

400684306475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5191630 (or 5191625 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 47.

The spelling of 400684306475 in words is "four hundred billion, six hundred eighty-four million, three hundred six thousand, four hundred seventy-five".