30132757991640 has 64 divisors (see below), whose sum is σ = 94328633721600. Its totient is φ = 7686036820352.

The previous prime is 30132757991599. The next prime is 30132757991647. The reversal of 30132757991640 is 4619975723103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30132757991647) 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, 5458830210 + ... + 5458835729.

It is an arithmetic number, because the mean of its divisors is an integer number (1473884901900).

Almost surely, 2^{30132757991640} is an apocalyptic number.

30132757991640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30132757991640 is an abundant number, since it is smaller than the sum of its proper divisors (64195875729960).

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

30132757991640 is a wasteful number, since it uses less digits than its factorization.

30132757991640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10917665976 (or 10917665972 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 57.

The spelling of 30132757991640 in words is "thirty trillion, one hundred thirty-two billion, seven hundred fifty-seven million, nine hundred ninety-one thousand, six hundred forty".