30754525140 has 36 divisors (see below), whose sum is σ = 93288726804. Its totient is φ = 8201206656.

The previous prime is 30754525133. The next prime is 30754525181. The reversal of 30754525140 is 4152545703.

30754525140 is a `hidden beast` number, since 30 + 75 + 45 + 2 + 514 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24042983364 + 6711541776 = 155058^2 + 81924^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 30754525095 and 30754525104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85429057 + ... + 85429416.

Almost surely, 2^30754525140 is an apocalyptic number.

30754525140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30754525140 is an abundant number, since it is smaller than the sum of its proper divisors (62534201664).

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

30754525140 is a wasteful number, since it uses less digits than its factorization.

30754525140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170858488 (or 170858483 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The spelling of 30754525140 in words is "thirty billion, seven hundred fifty-four million, five hundred twenty-five thousand, one hundred forty".