400704034061 has 12 divisors (see below), whose sum is σ = 431492379252. Its totient is φ = 371966980608.

The previous prime is 400704034037. The next prime is 400704034147. The reversal of 400704034061 is 160430407004.

It can be written as a sum of positive squares in 6 ways, for example, as 14449242025 + 386254792036 = 120205^2 + 621494^2 .

It is a de Polignac number, because none of the positive numbers 2^k-400704034061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400704031061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9475610 + ... + 9517803.

It is an arithmetic number, because the mean of its divisors is an integer number (35957698271).

Almost surely, 2^400704034061 is an apocalyptic number.

It is an amenable number.

400704034061 is a deficient number, since it is larger than the sum of its proper divisors (30788345191).

400704034061 is a wasteful number, since it uses less digits than its factorization.

400704034061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18993520 (or 18993503 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The spelling of 400704034061 in words is "four hundred billion, seven hundred four million, thirty-four thousand, sixty-one".