388309796042 has 32 divisors (see below), whose sum is σ = 666722171520. Its totient is φ = 166156623360.

The previous prime is 388309796033. The next prime is 388309796051. The reversal of 388309796042 is 240697903883.

It is an interprime number because it is at equal distance from previous prime (388309796033) and next prime (388309796051).

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, 28934918 + ... + 28948334.

It is an arithmetic number, because the mean of its divisors is an integer number (20835067860).

Almost surely, 2^388309796042 is an apocalyptic number.

388309796042 is a deficient number, since it is larger than the sum of its proper divisors (278412375478).

388309796042 is a wasteful number, since it uses less digits than its factorization.

388309796042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16526.

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 388309796042 in words is "three hundred eighty-eight billion, three hundred nine million, seven hundred ninety-six thousand, forty-two".