30542757140 has 48 divisors (see below), whose sum is σ = 73321718400. Its totient is φ = 10469073792.

The previous prime is 30542757139. The next prime is 30542757163. The reversal of 30542757140 is 4175724503.

It is a super-3 number, since 3×30542757140³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30542757094 and 30542757103.

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, 553106 + ... + 605814.

It is an arithmetic number, because the mean of its divisors is an integer number (1527535800).

Almost surely, 2^30542757140 is an apocalyptic number.

It is an amenable number.

30542757140 is an abundant number, since it is smaller than the sum of its proper divisors (42778961260).

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

30542757140 is a wasteful number, since it uses less digits than its factorization.

30542757140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56864 (or 56862 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 38.

The spelling of 30542757140 in words is "thirty billion, five hundred forty-two million, seven hundred fifty-seven thousand, one hundred forty".