30755140560 has 160 divisors (see below), whose sum is σ = 106438008960. Its totient is φ = 8162380800.

The previous prime is 30755140513. The next prime is 30755140573. The reversal of 30755140560 is 6504155703.

30755140560 is a `hidden beast` number, since 3 + 0 + 7 + 5 + 51 + 40 + 560 = 666.

It is a super-2 number, since 2×30755140560² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 422020 + ... + 489500.

It is an arithmetic number, because the mean of its divisors is an integer number (665237556).

Almost surely, 2^30755140560 is an apocalyptic number.

30755140560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30755140560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53219004480).

30755140560 is an abundant number, since it is smaller than the sum of its proper divisors (75682868400).

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

30755140560 is a wasteful number, since it uses less digits than its factorization.

30755140560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67714 (or 67702 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The spelling of 30755140560 in words is "thirty billion, seven hundred fifty-five million, one hundred forty thousand, five hundred sixty".