30390155427 has 16 divisors (see below), whose sum is σ = 41850299808. Its totient is φ = 19605530880.

The previous prime is 30390155407. The next prime is 30390155429. The reversal of 30390155427 is 72455109303.

It is a happy number.

It is not a de Polignac number, because 30390155427 - 2⁶ = 30390155363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30390155429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1297524 + ... + 1320737.

It is an arithmetic number, because the mean of its divisors is an integer number (2615643738).

Almost surely, 2^30390155427 is an apocalyptic number.

30390155427 is a deficient number, since it is larger than the sum of its proper divisors (11460144381).

30390155427 is a wasteful number, since it uses less digits than its factorization.

30390155427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618390.

The product of its (nonzero) digits is 113400, while the sum is 39.

The spelling of 30390155427 in words is "thirty billion, three hundred ninety million, one hundred fifty-five thousand, four hundred twenty-seven".