30620672825142 has 64 divisors (see below), whose sum is σ = 66039318455040. Its totient is φ = 9433491955200.

The previous prime is 30620672825131. The next prime is 30620672825177. The reversal of 30620672825142 is 24152827602603.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 30620672825091 and 30620672825100.

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, 145213978 + ... + 145424690.

It is an arithmetic number, because the mean of its divisors is an integer number (1031864350860).

Almost surely, 2^{30620672825142} is an apocalyptic number.

30620672825142 is an abundant number, since it is smaller than the sum of its proper divisors (35418645629898).

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

30620672825142 is a wasteful number, since it uses less digits than its factorization.

30620672825142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241869.

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 30620672825142 in words is "thirty trillion, six hundred twenty billion, six hundred seventy-two million, eight hundred twenty-five thousand, one hundred forty-two".