40279147924 has 12 divisors (see below), whose sum is σ = 70955321248. Its totient is φ = 20006199000.

The previous prime is 40279147921. The next prime is 40279148009. The reversal of 40279147924 is 42974197204.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40279147921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33343062 + ... + 33344269.

Almost surely, 2^40279147924 is an apocalyptic number.

It is an amenable number.

40279147924 is a deficient number, since it is larger than the sum of its proper divisors (30676173324).

40279147924 is a wasteful number, since it uses less digits than its factorization.

40279147924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66687486 (or 66687484 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 40279147924 in words is "forty billion, two hundred seventy-nine million, one hundred forty-seven thousand, nine hundred twenty-four".