40568299520000 has 2040 divisors, whose sum is σ = 132335253194760. Its totient is φ = 12331253760000.

The previous prime is 40568299519997. The next prime is 40568299520009. The reversal of 40568299520000 is 2599286504.

It can be written as a sum of positive squares in 20 ways, for example, as 40561205837824 + 7093682176 = 6368768^2 + 84224^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40568299520009) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 989470719980 + ... + 989470720020.

Almost surely, 2^{40568299520000} is an apocalyptic number.

40568299520000 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 40568299520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66167626597380).

40568299520000 is an abundant number, since it is smaller than the sum of its proper divisors (91766953674760).

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

40568299520000 is an frugal number, since it uses more digits than its factorization.

40568299520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 40568299520000 in words is "forty trillion, five hundred sixty-eight billion, two hundred ninety-nine million, five hundred twenty thousand".