407139696 has 60 divisors (see below), whose sum is σ = 1181637912. Its totient is φ = 135711936.

The previous prime is 407139683. The next prime is 407139727. The reversal of 407139696 is 696931704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48471 + ... + 56246.

Almost surely, 2^407139696 is an apocalyptic number.

It is an amenable number.

407139696 is an abundant number, since it is smaller than the sum of its proper divisors (774498216).

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

407139696 is a wasteful number, since it uses less digits than its factorization.

407139696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104740 (or 104722 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 407139696 is about 20177.7029416135. The cubic root of 407139696 is about 741.1642835931.

The spelling of 407139696 in words is "four hundred seven million, one hundred thirty-nine thousand, six hundred ninety-six".