30157075544 has 16 divisors (see below), whose sum is σ = 56561331120. Its totient is φ = 15074053920.

The previous prime is 30157075541. The next prime is 30157075561. The reversal of 30157075544 is 44557075103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30157075541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531812 + ... + 585779.

It is an arithmetic number, because the mean of its divisors is an integer number (3535083195).

Almost surely, 2^30157075544 is an apocalyptic number.

It is an amenable number.

30157075544 is a deficient number, since it is larger than the sum of its proper divisors (26404255576).

30157075544 is a wasteful number, since it uses less digits than its factorization.

30157075544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120970 (or 1120966 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 41.

The spelling of 30157075544 in words is "thirty billion, one hundred fifty-seven million, seventy-five thousand, five hundred forty-four".