400706541370674 has 96 divisors (see below), whose sum is σ = 1083033112936320. Its totient is φ = 104021442950400.

The previous prime is 400706541370631. The next prime is 400706541370703. The reversal of 400706541370674 is 476073145607004.

It is a happy number.

400706541370674 is a `hidden beast` number, since 4 + 0 + 0 + 7 + 0 + 6 + 541 + 37 + 0 + 67 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 400706541370674.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78322587 + ... + 83281694.

It is an arithmetic number, because the mean of its divisors is an integer number (11281594926420).

Almost surely, 2^{400706541370674} is an apocalyptic number.

400706541370674 is an abundant number, since it is smaller than the sum of its proper divisors (682326571565646).

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

400706541370674 is a wasteful number, since it uses less digits than its factorization.

400706541370674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161606096 (or 161606093 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 54.

Adding to 400706541370674 its reverse (476073145607004), we get a palindrome (876779686977678).

The spelling of 400706541370674 in words is "four hundred trillion, seven hundred six billion, five hundred forty-one million, three hundred seventy thousand, six hundred seventy-four".