30194372418 has 48 divisors (see below), whose sum is σ = 74380387104. Its totient is φ = 8119493760.

The previous prime is 30194372399. The next prime is 30194372431. The reversal of 30194372418 is 81427349103.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 30194372418.

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, 3015648 + ... + 3025643.

It is an arithmetic number, because the mean of its divisors is an integer number (1549591398).

Almost surely, 2^30194372418 is an apocalyptic number.

30194372418 is an abundant number, since it is smaller than the sum of its proper divisors (44186014686).

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

30194372418 is a wasteful number, since it uses less digits than its factorization.

30194372418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6041327 (or 6041320 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 30194372418 in words is "thirty billion, one hundred ninety-four million, three hundred seventy-two thousand, four hundred eighteen".