40520007622644 has 96 divisors (see below), whose sum is σ = 103355444416896. Its totient is φ = 12253382369280.

The previous prime is 40520007622571. The next prime is 40520007622651. The reversal of 40520007622644 is 44622670002504.

It is a junction number, because it is equal to n+sod(n) for n = 40520007622596 and 40520007622605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151517112 + ... + 151784304.

It is an arithmetic number, because the mean of its divisors is an integer number (1076619212676).

Almost surely, 2^{40520007622644} is an apocalyptic number.

40520007622644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40520007622644 is an abundant number, since it is smaller than the sum of its proper divisors (62835436794252).

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

40520007622644 is a wasteful number, since it uses less digits than its factorization.

40520007622644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269585 (or 269583 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 42.

The spelling of 40520007622644 in words is "forty trillion, five hundred twenty billion, seven million, six hundred twenty-two thousand, six hundred forty-four".