40568252790 has 128 divisors (see below), whose sum is σ = 106603402752. Its totient is φ = 9820477440.

The previous prime is 40568252717. The next prime is 40568252807. The reversal of 40568252790 is 9725286504.

40568252790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7345230 + ... + 7350750.

It is an arithmetic number, because the mean of its divisors is an integer number (832839084).

Almost surely, 2^40568252790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40568252790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53301701376).

40568252790 is an abundant number, since it is smaller than the sum of its proper divisors (66035149962).

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

40568252790 is a wasteful number, since it uses less digits than its factorization.

40568252790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5854.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 40568252790 in words is "forty billion, five hundred sixty-eight million, two hundred fifty-two thousand, seven hundred ninety".