30621434088906 has 64 divisors (see below), whose sum is σ = 68485863456000. Its totient is φ = 10141419008448.

The previous prime is 30621434088887. The next prime is 30621434088943. The reversal of 30621434088906 is 60988043412603.

30621434088906 is a `hidden beast` number, since 3 + 0 + 6 + 2 + 143 + 408 + 8 + 90 + 6 = 666.

It is a super-2 number, since 2×30621434088906² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 128314011 + ... + 128552433.

It is an arithmetic number, because the mean of its divisors is an integer number (1070091616500).

Almost surely, 2^{30621434088906} is an apocalyptic number.

30621434088906 is an abundant number, since it is smaller than the sum of its proper divisors (37864429367094).

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

30621434088906 is a wasteful number, since it uses less digits than its factorization.

30621434088906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253740 (or 253734 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 30621434088906 in words is "thirty trillion, six hundred twenty-one billion, four hundred thirty-four million, eighty-eight thousand, nine hundred six".