40208888824 has 16 divisors (see below), whose sum is σ = 81191025720. Its totient is φ = 18557948640.

The previous prime is 40208888813. The next prime is 40208888827. The reversal of 40208888824 is 42888880204.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40208888827) 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, 193311862 + ... + 193312069.

Almost surely, 2^40208888824 is an apocalyptic number.

It is an amenable number.

40208888824 is an abundant number, since it is smaller than the sum of its proper divisors (40982136896).

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

40208888824 is a wasteful number, since it uses less digits than its factorization.

40208888824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386623950 (or 386623946 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 52.

The spelling of 40208888824 in words is "forty billion, two hundred eight million, eight hundred eighty-eight thousand, eight hundred twenty-four".