438945696632 has 32 divisors (see below), whose sum is σ = 871499859120. Its totient is φ = 206547617280.

The previous prime is 438945696617. The next prime is 438945696671. The reversal of 438945696632 is 236696549834.

It is a super-2 number, since 2×438945696632² (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, 1878083 + ... + 2098829.

Almost surely, 2^438945696632 is an apocalyptic number.

It is an amenable number.

438945696632 is a deficient number, since it is larger than the sum of its proper divisors (432554162488).

438945696632 is a wasteful number, since it uses less digits than its factorization.

438945696632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235391 (or 235387 counting only the distinct ones).

The product of its digits is 201553920, while the sum is 65.

The spelling of 438945696632 in words is "four hundred thirty-eight billion, nine hundred forty-five million, six hundred ninety-six thousand, six hundred thirty-two".