40860308520 has 256 divisors, whose sum is σ = 145030176000. Its totient is φ = 10197024768.

The previous prime is 40860308491. The next prime is 40860308521. The reversal of 40860308520 is 2580306804.

40860308520 is a `hidden beast` number, since 40 + 8 + 60 + 30 + 8 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (40860308521) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3280224 + ... + 3292656.

It is an arithmetic number, because the mean of its divisors is an integer number (566524125).

Almost surely, 2^40860308520 is an apocalyptic number.

40860308520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40860308520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72515088000).

40860308520 is an abundant number, since it is smaller than the sum of its proper divisors (104169867480).

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

40860308520 is a wasteful number, since it uses less digits than its factorization.

40860308520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12649 (or 12639 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 40860308520 in words is "forty billion, eight hundred sixty million, three hundred eight thousand, five hundred twenty".