30188052046 has 64 divisors (see below), whose sum is σ = 48944332800. Its totient is φ = 13929965280.

The previous prime is 30188052031. The next prime is 30188052049. The reversal of 30188052046 is 64025088103.

It is a happy number.

It is a super-2 number, since 2×30188052046² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30188051996 and 30188052014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30188052049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106671421 + ... + 106671703.

It is an arithmetic number, because the mean of its divisors is an integer number (764755200).

Almost surely, 2^30188052046 is an apocalyptic number.

30188052046 is a deficient number, since it is larger than the sum of its proper divisors (18756280754).

30188052046 is a wasteful number, since it uses less digits than its factorization.

30188052046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 30188052046 in words is "thirty billion, one hundred eighty-eight million, fifty-two thousand, forty-six".