70261853356420 has 144 divisors (see below), whose sum is σ = 164026136570688. Its totient is φ = 25260127200000.

The previous prime is 70261853356411. The next prime is 70261853356459. The reversal of 70261853356420 is 2465335816207.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 168686215 + ... + 169102225.

It is an arithmetic number, because the mean of its divisors is an integer number (1139070392852).

Almost surely, 2^{70261853356420} 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 70261853356420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82013068285344).

70261853356420 is an abundant number, since it is smaller than the sum of its proper divisors (93764283214268).

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

70261853356420 is a wasteful number, since it uses less digits than its factorization.

70261853356420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416834 (or 416821 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 70261853356420 in words is "seventy trillion, two hundred sixty-one billion, eight hundred fifty-three million, three hundred fifty-six thousand, four hundred twenty".