70501040256 has 128 divisors (see below), whose sum is σ = 190483776000. Its totient is φ = 23100162048.

The previous prime is 70501040219. The next prime is 70501040287. The reversal of 70501040256 is 65204010507.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5543601 + ... + 5556303.

It is an arithmetic number, because the mean of its divisors is an integer number (1488154500).

Almost surely, 2^70501040256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70501040256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95241888000).

70501040256 is an abundant number, since it is smaller than the sum of its proper divisors (119982735744).

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

70501040256 is a wasteful number, since it uses less digits than its factorization.

70501040256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12966 (or 12954 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The spelling of 70501040256 in words is "seventy billion, five hundred one million, forty thousand, two hundred fifty-six".