70525851240 has 128 divisors (see below), whose sum is σ = 229170695040. Its totient is φ = 17259795456.

The previous prime is 70525851217. The next prime is 70525851307. The reversal of 70525851240 is 4215852507.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139219 + ... + 400541.

It is an arithmetic number, because the mean of its divisors is an integer number (1790396055).

Almost surely, 2^70525851240 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 70525851240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114585347520).

70525851240 is an abundant number, since it is smaller than the sum of its proper divisors (158644843800).

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

70525851240 is a wasteful number, since it uses less digits than its factorization.

70525851240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261523 (or 261519 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 39.

The spelling of 70525851240 in words is "seventy billion, five hundred twenty-five million, eight hundred fifty-one thousand, two hundred forty".