70369817919440 has 160 divisors (see below), whose sum is σ = 176594293075200. Its totient is φ = 25923914956800.

The previous prime is 70369817919439. The next prime is 70369817919487. The reversal of 70369817919440 is 4491971896307.

It is a super-2 number, since 2×70369817919440² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (68) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 840505901 + ... + 840589619.

It is an arithmetic number, because the mean of its divisors is an integer number (1103714331720).

Almost surely, 2^{70369817919440} 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 70369817919440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88297146537600).

70369817919440 is an abundant number, since it is smaller than the sum of its proper divisors (106224475155760).

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

70369817919440 is a wasteful number, since it uses less digits than its factorization.

70369817919440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85565 (or 85559 counting only the distinct ones).

The product of its (nonzero) digits is 82301184, while the sum is 68.

The spelling of 70369817919440 in words is "seventy trillion, three hundred sixty-nine billion, eight hundred seventeen million, nine hundred nineteen thousand, four hundred forty".