40168560960 has 672 divisors, whose sum is σ = 157846800384. Its totient is φ = 9642240000.

The previous prime is 40168560941. The next prime is 40168560989. The reversal of 40168560960 is 6906586104.

It is a super-2 number, since 2×40168560960² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 129159205 + ... + 129159515.

It is an arithmetic number, because the mean of its divisors is an integer number (234891072).

Almost surely, 2^40168560960 is an apocalyptic number.

40168560960 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 40168560960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78923400192).

40168560960 is an abundant number, since it is smaller than the sum of its proper divisors (117678239424).

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

40168560960 is a wasteful number, since it uses less digits than its factorization.

40168560960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 40168560960 in words is "forty billion, one hundred sixty-eight million, five hundred sixty thousand, nine hundred sixty".