40036606800 has 120 divisors (see below), whose sum is σ = 128669535456. Its totient is φ = 10641553920.

The previous prime is 40036606793. The next prime is 40036606801. The reversal of 40036606800 is 860663004.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40036606801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 314062 + ... + 422738.

Almost surely, 2^40036606800 is an apocalyptic number.

40036606800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40036606800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64334767728).

40036606800 is an abundant number, since it is smaller than the sum of its proper divisors (88632928656).

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

40036606800 is a wasteful number, since it uses less digits than its factorization.

40036606800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109005 (or 108994 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 40036606800 in words is "forty billion, thirty-six million, six hundred six thousand, eight hundred".