70040477408 has 48 divisors (see below), whose sum is σ = 150963387120. Its totient is φ = 31723238400.

The previous prime is 70040477363. The next prime is 70040477443. The reversal of 70040477408 is 80477404007.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 255143 + ... + 452966.

It is an arithmetic number, because the mean of its divisors is an integer number (3145070565).

Almost surely, 2^70040477408 is an apocalyptic number.

It is an amenable number.

70040477408 is an abundant number, since it is smaller than the sum of its proper divisors (80922909712).

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

70040477408 is a wasteful number, since it uses less digits than its factorization.

70040477408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708411 (or 708403 counting only the distinct ones).

The product of its (nonzero) digits is 175616, while the sum is 41.

The spelling of 70040477408 in words is "seventy billion, forty million, four hundred seventy-seven thousand, four hundred eight".