40360607644 has 24 divisors (see below), whose sum is σ = 84230834688. Its totient is φ = 16545342000.

The previous prime is 40360607627. The next prime is 40360607731. The reversal of 40360607644 is 44670606304.

It is a super-2 number, since 2×40360607644² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40360607597 and 40360607606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31335232 + ... + 31336519.

It is an arithmetic number, because the mean of its divisors is an integer number (3509618112).

Almost surely, 2^40360607644 is an apocalyptic number.

It is an amenable number.

40360607644 is an abundant number, since it is smaller than the sum of its proper divisors (43870227044).

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

40360607644 is a wasteful number, since it uses less digits than its factorization.

40360607644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62671785 (or 62671783 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 40360607644 in words is "forty billion, three hundred sixty million, six hundred seven thousand, six hundred forty-four".