70247156040 has 80 divisors (see below), whose sum is σ = 236108507580. Its totient is φ = 18732574080.

The previous prime is 70247156011. The next prime is 70247156087. The reversal of 70247156040 is 4065174207.

70247156040 is a `hidden beast` number, since 7 + 0 + 2 + 47 + 1 + 5 + 604 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 59900604516 + 10346551524 = 244746^2 + 101718^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 70247155986 and 70247156004.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10837371 + ... + 10843850.

Almost surely, 2^70247156040 is an apocalyptic number.

It is an amenable number.

70247156040 is an abundant number, since it is smaller than the sum of its proper divisors (165861351540).

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

70247156040 is a wasteful number, since it uses less digits than its factorization.

70247156040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21681244 (or 21681231 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The spelling of 70247156040 in words is "seventy billion, two hundred forty-seven million, one hundred fifty-six thousand, forty".