40040844795 has 48 divisors (see below), whose sum is σ = 79507676352. Its totient is φ = 18260847360.

The previous prime is 40040844773. The next prime is 40040844799. The reversal of 40040844795 is 59744804004.

40040844795 is a `hidden beast` number, since 400 + 40 + 84 + 47 + 95 = 666.

It is not a de Polignac number, because 40040844795 - 2¹⁵ = 40040812027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 40040844795.

It is not an unprimeable number, because it can be changed into a prime (40040844799) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18352 + ... + 283581.

It is an arithmetic number, because the mean of its divisors is an integer number (1656409924).

Almost surely, 2^40040844795 is an apocalyptic number.

40040844795 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40040844795 is a deficient number, since it is larger than the sum of its proper divisors (39466831557).

40040844795 is a wasteful number, since it uses less digits than its factorization.

40040844795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302372 (or 302369 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 40040844795 in words is "forty billion, forty million, eight hundred forty-four thousand, seven hundred ninety-five".