40323638008 has 8 divisors (see below), whose sum is σ = 75606821280. Its totient is φ = 20161819000.

The previous prime is 40323637931. The next prime is 40323638011. The reversal of 40323638008 is 80083632304.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2520227368 + ... + 2520227383.

It is an arithmetic number, because the mean of its divisors is an integer number (9450852660).

Almost surely, 2^40323638008 is an apocalyptic number.

It is an amenable number.

40323638008 is a deficient number, since it is larger than the sum of its proper divisors (35283183272).

40323638008 is a wasteful number, since it uses less digits than its factorization.

40323638008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040454757 (or 5040454753 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 40323638008 in words is "forty billion, three hundred twenty-three million, six hundred thirty-eight thousand, eight".