34447894520 has 64 divisors (see below), whose sum is σ = 87863076000. Its totient is φ = 12049786368.

The previous prime is 34447894519. The next prime is 34447894531. The reversal of 34447894520 is 2549874443.

It is a super-2 number, since 2×34447894520² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 1733435 + ... + 1753194.

Almost surely, 2^34447894520 is an apocalyptic number.

It is an amenable number.

34447894520 is an abundant number, since it is smaller than the sum of its proper divisors (53415181480).

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

34447894520 is a wasteful number, since it uses less digits than its factorization.

34447894520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3486672 (or 3486668 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 50.

The spelling of 34447894520 in words is "thirty-four billion, four hundred forty-seven million, eight hundred ninety-four thousand, five hundred twenty".