30215734340 has 48 divisors (see below), whose sum is σ = 72231143040. Its totient is φ = 10509818880.

The previous prime is 30215734301. The next prime is 30215734343. The reversal of 30215734340 is 4343751203.

It is a junction number, because it is equal to n+sod(n) for n = 30215734297 and 30215734306.

It is not an unprimeable number, because it can be changed into a prime (30215734343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2980685 + ... + 2990804.

It is an arithmetic number, because the mean of its divisors is an integer number (1504815480).

Almost surely, 2^30215734340 is an apocalyptic number.

It is an amenable number.

30215734340 is an abundant number, since it is smaller than the sum of its proper divisors (42015408700).

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

30215734340 is a wasteful number, since it uses less digits than its factorization.

30215734340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5971532 (or 5971530 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 32.

The spelling of 30215734340 in words is "thirty billion, two hundred fifteen million, seven hundred thirty-four thousand, three hundred forty".