30445214855 has 32 divisors (see below), whose sum is σ = 42559948800. Its totient is φ = 20688796800.

The previous prime is 30445214843. The next prime is 30445214857. The reversal of 30445214855 is 55841254403.

It is not a de Polignac number, because 30445214855 - 2⁸ = 30445214599 is a prime.

It is a super-2 number, since 2×30445214855² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30445214857) 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, 258425 + ... + 357314.

It is an arithmetic number, because the mean of its divisors is an integer number (1329998400).

Almost surely, 2^30445214855 is an apocalyptic number.

30445214855 is a deficient number, since it is larger than the sum of its proper divisors (12114733945).

30445214855 is a wasteful number, since it uses less digits than its factorization.

30445214855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615815.

The product of its (nonzero) digits is 384000, while the sum is 41.

The spelling of 30445214855 in words is "thirty billion, four hundred forty-five million, two hundred fourteen thousand, eight hundred fifty-five".