30875756540 has 48 divisors (see below), whose sum is σ = 67449866400. Its totient is φ = 11857773312.

The previous prime is 30875756539. The next prime is 30875756543. The reversal of 30875756540 is 4565757803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30875756543) 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, 44879 + ... + 252518.

It is an arithmetic number, because the mean of its divisors is an integer number (1405205550).

Almost surely, 2^30875756540 is an apocalyptic number.

It is an amenable number.

30875756540 is an abundant number, since it is smaller than the sum of its proper divisors (36574109860).

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

30875756540 is a wasteful number, since it uses less digits than its factorization.

30875756540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297614 (or 297612 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 50.

The spelling of 30875756540 in words is "thirty billion, eight hundred seventy-five million, seven hundred fifty-six thousand, five hundred forty".