40518922860 has 216 divisors, whose sum is σ = 133483253904. Its totient is φ = 9944363520.

The previous prime is 40518922859. The next prime is 40518922879. The reversal of 40518922860 is 6822981504.

40518922860 is a `hidden beast` number, since 40 + 518 + 92 + 2 + 8 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11344875 + ... + 11348445.

Almost surely, 2^40518922860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40518922860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66741626952).

40518922860 is an abundant number, since it is smaller than the sum of its proper divisors (92964331044).

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

40518922860 is a wasteful number, since it uses less digits than its factorization.

40518922860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3985 (or 3967 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 40518922860 in words is "forty billion, five hundred eighteen million, nine hundred twenty-two thousand, eight hundred sixty".