30645026340 has 48 divisors (see below), whose sum is σ = 86481733632. Its totient is φ = 8107658496.

The previous prime is 30645026309. The next prime is 30645026381. The reversal of 30645026340 is 4362054603.

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, 2003209 + ... + 2018448.

It is an arithmetic number, because the mean of its divisors is an integer number (1801702784).

Almost surely, 2^30645026340 is an apocalyptic number.

30645026340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30645026340 is an abundant number, since it is smaller than the sum of its proper divisors (55836707292).

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

30645026340 is a wasteful number, since it uses less digits than its factorization.

30645026340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4021796 (or 4021794 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

The spelling of 30645026340 in words is "thirty billion, six hundred forty-five million, twenty-six thousand, three hundred forty".