40440561023577 has 64 divisors (see below), whose sum is σ = 66911638413312. Its totient is φ = 21385111104000.

The previous prime is 40440561023567. The next prime is 40440561023579. The reversal of 40440561023577 is 77532016504404.

40440561023577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40440561023577 - 2⁴ = 40440561023561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40440561023579) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 34787124 + ... + 35930837.

It is an arithmetic number, because the mean of its divisors is an integer number (1045494350208).

Almost surely, 2^{40440561023577} is an apocalyptic number.

It is an amenable number.

40440561023577 is a deficient number, since it is larger than the sum of its proper divisors (26471077389735).

40440561023577 is a wasteful number, since it uses less digits than its factorization.

40440561023577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70718062.

The product of its (nonzero) digits is 2822400, while the sum is 48.

The spelling of 40440561023577 in words is "forty trillion, four hundred forty billion, five hundred sixty-one million, twenty-three thousand, five hundred seventy-seven".