40325060644 has 36 divisors (see below), whose sum is σ = 79371354832. Its totient is φ = 17903294640.

The previous prime is 40325060627. The next prime is 40325060669. The reversal of 40325060644 is 44606052304.

It is a super-2 number, since 2×40325060644² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 947982 + ... + 989605.

Almost surely, 2^40325060644 is an apocalyptic number.

40325060644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40325060644 is a deficient number, since it is larger than the sum of its proper divisors (39046294188).

40325060644 is a wasteful number, since it uses less digits than its factorization.

40325060644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937656 (or 1937643 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 40325060644 in words is "forty billion, three hundred twenty-five million, sixty thousand, six hundred forty-four".