40363164440 has 32 divisors (see below), whose sum is σ = 91213722000. Its totient is φ = 16074758784.

The previous prime is 40363164437. The next prime is 40363164493. The reversal of 40363164440 is 4446136304.

It is a super-2 number, since 2×40363164440² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40363164440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2194070 + ... + 2212389.

Almost surely, 2^40363164440 is an apocalyptic number.

40363164440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40363164440 is an abundant number, since it is smaller than the sum of its proper divisors (50850557560).

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

40363164440 is a wasteful number, since it uses less digits than its factorization.

40363164440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4406699 (or 4406695 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 40363164440 in words is "forty billion, three hundred sixty-three million, one hundred sixty-four thousand, four hundred forty".