40202000838 has 40 divisors (see below), whose sum is σ = 90924190632. Its totient is φ = 13275421344.

The previous prime is 40202000833. The next prime is 40202000851. The reversal of 40202000838 is 83800020204.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40202000833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1142295 + ... + 1176962.

Almost surely, 2^40202000838 is an apocalyptic number.

40202000838 is an abundant number, since it is smaller than the sum of its proper divisors (50722189794).

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

40202000838 is a wasteful number, since it uses less digits than its factorization.

40202000838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319378 (or 2319369 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The spelling of 40202000838 in words is "forty billion, two hundred two million, eight hundred thirty-eight", and thus it is an aban number.