308016989742 has 32 divisors (see below), whose sum is σ = 768042365184. Its totient is φ = 80004412800.

The previous prime is 308016989729. The next prime is 308016989771. The reversal of 308016989742 is 247989610803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333351259 + ... + 333352182.

It is an arithmetic number, because the mean of its divisors is an integer number (24001323912).

Almost surely, 2^308016989742 is an apocalyptic number.

308016989742 is an abundant number, since it is smaller than the sum of its proper divisors (460025375442).

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

308016989742 is a wasteful number, since it uses less digits than its factorization.

308016989742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666703464.

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 308016989742 in words is "three hundred eight billion, sixteen million, nine hundred eighty-nine thousand, seven hundred forty-two".