34821015640 has 32 divisors (see below), whose sum is σ = 79450774560. Its totient is φ = 13732230400.

The previous prime is 34821015599. The next prime is 34821015641. The reversal of 34821015640 is 4651012843.

It is a super-2 number, since 2×34821015640² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34821015596 and 34821015605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34821015641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6127621 + ... + 6133300.

It is an arithmetic number, because the mean of its divisors is an integer number (2482836705).

Almost surely, 2^34821015640 is an apocalyptic number.

It is an amenable number.

34821015640 is an abundant number, since it is smaller than the sum of its proper divisors (44629758920).

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

34821015640 is a wasteful number, since it uses less digits than its factorization.

34821015640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12261003 (or 12260999 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 34821015640 in words is "thirty-four billion, eight hundred twenty-one million, fifteen thousand, six hundred forty".