391400150396 has 24 divisors (see below), whose sum is σ = 690743477760. Its totient is φ = 194046656832.

The previous prime is 391400150381. The next prime is 391400150431. The reversal of 391400150396 is 693051004193.

It is a super-2 number, since 2×391400150396² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 658070 + ... + 1102658.

It is an arithmetic number, because the mean of its divisors is an integer number (28780978240).

Almost surely, 2^391400150396 is an apocalyptic number.

It is an amenable number.

391400150396 is a deficient number, since it is larger than the sum of its proper divisors (299343327364).

391400150396 is a wasteful number, since it uses less digits than its factorization.

391400150396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446453 (or 446451 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 41.

The spelling of 391400150396 in words is "three hundred ninety-one billion, four hundred million, one hundred fifty thousand, three hundred ninety-six".