30442139974 has 8 divisors (see below), whose sum is σ = 45694946880. Its totient is φ = 15210491016.

The previous prime is 30442139953. The next prime is 30442140011. The reversal of 30442139974 is 47993124403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5285889 + ... + 5291644.

It is an arithmetic number, because the mean of its divisors is an integer number (5711868360).

Almost surely, 2^30442139974 is an apocalyptic number.

30442139974 is a deficient number, since it is larger than the sum of its proper divisors (15252806906).

30442139974 is a wasteful number, since it uses less digits than its factorization.

30442139974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10578974.

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 30442139974 in words is "thirty billion, four hundred forty-two million, one hundred thirty-nine thousand, nine hundred seventy-four".