30390155190 has 48 divisors (see below), whose sum is σ = 79582885200. Its totient is φ = 8045735616.

The previous prime is 30390155171. The next prime is 30390155203. The reversal of 30390155190 is 9155109303.

30390155190 is a `hidden beast` number, since 30 + 390 + 1 + 55 + 190 = 666.

It is a super-2 number, since 2×30390155190² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1202125 + ... + 1227144.

It is an arithmetic number, because the mean of its divisors is an integer number (1657976775).

Almost surely, 2^30390155190 is an apocalyptic number.

30390155190 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30390155190 is an abundant number, since it is smaller than the sum of its proper divisors (49192730010).

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

30390155190 is a wasteful number, since it uses less digits than its factorization.

30390155190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429421 (or 2429418 counting only the distinct ones).

The product of its (nonzero) digits is 18225, while the sum is 36.

The spelling of 30390155190 in words is "thirty billion, three hundred ninety million, one hundred fifty-five thousand, one hundred ninety".