40436082768 has 80 divisors (see below), whose sum is σ = 110657935296. Its totient is φ = 12679710720.

The previous prime is 40436082763. The next prime is 40436082781. The reversal of 40436082768 is 86728063404.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40436082763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1860283 + ... + 1881893.

Almost surely, 2^40436082768 is an apocalyptic number.

40436082768 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40436082768 is an abundant number, since it is smaller than the sum of its proper divisors (70221852528).

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

40436082768 is a wasteful number, since it uses less digits than its factorization.

40436082768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23932 (or 23926 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 48.

The spelling of 40436082768 in words is "forty billion, four hundred thirty-six million, eighty-two thousand, seven hundred sixty-eight".