40860864837 has 24 divisors (see below), whose sum is σ = 63825129368. Its totient is φ = 25040793600.

The previous prime is 40860864833. The next prime is 40860864839. The reversal of 40860864837 is 73846806804.

40860864837 is a `hidden beast` number, since 4 + 0 + 86 + 0 + 86 + 483 + 7 = 666.

40860864837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3658556196 + 37202308641 = 60486^2 + 192879^2 .

It is not a de Polignac number, because 40860864837 - 2² = 40860864833 is a prime.

It is a super-2 number, since 2×40860864837² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40860864833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 696364 + ... + 752757.

Almost surely, 2^40860864837 is an apocalyptic number.

It is an amenable number.

40860864837 is a deficient number, since it is larger than the sum of its proper divisors (22964264531).

40860864837 is a wasteful number, since it uses less digits than its factorization.

40860864837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449381 (or 1449378 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 40860864837 in words is "forty billion, eight hundred sixty million, eight hundred sixty-four thousand, eight hundred thirty-seven".