70407944831438 has 32 divisors (see below), whose sum is σ = 112652546149728. Its totient is φ = 32888203545600.

The previous prime is 70407944831431. The next prime is 70407944831453. The reversal of 70407944831438 is 83413844970407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70407944831431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1608743 + ... + 11975138.

It is an arithmetic number, because the mean of its divisors is an integer number (3520392067179).

Almost surely, 2^{70407944831438} is an apocalyptic number.

70407944831438 is a deficient number, since it is larger than the sum of its proper divisors (42244601318290).

70407944831438 is a wasteful number, since it uses less digits than its factorization.

70407944831438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13585028.

The product of its (nonzero) digits is 65028096, while the sum is 62.

The spelling of 70407944831438 in words is "seventy trillion, four hundred seven billion, nine hundred forty-four million, eight hundred thirty-one thousand, four hundred thirty-eight".