40560220431 has 24 divisors (see below), whose sum is σ = 58806118800. Its totient is φ = 26939203200.

The previous prime is 40560220427. The next prime is 40560220447. The reversal of 40560220431 is 13402206504.

40560220431 is a `hidden beast` number, since 4 + 0 + 5 + 6 + 0 + 220 + 431 = 666.

It is not a de Polignac number, because 40560220431 - 2² = 40560220427 is a prime.

It is a super-2 number, since 2×40560220431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40560220395 and 40560220404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40560220451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2669845 + ... + 2684993.

It is an arithmetic number, because the mean of its divisors is an integer number (2450254950).

Almost surely, 2^40560220431 is an apocalyptic number.

40560220431 is a deficient number, since it is larger than the sum of its proper divisors (18245898369).

40560220431 is a wasteful number, since it uses less digits than its factorization.

40560220431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16247 (or 16244 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 40560220431 its reverse (13402206504), we get a palindrome (53962426935).

The spelling of 40560220431 in words is "forty billion, five hundred sixty million, two hundred twenty thousand, four hundred thirty-one".