40326654522 has 256 divisors, whose sum is σ = 106396581888. Its totient is φ = 9889102080.

The previous prime is 40326654503. The next prime is 40326654539. The reversal of 40326654522 is 22545662304.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 77106153 + ... + 77106675.

It is an arithmetic number, because the mean of its divisors is an integer number (415611648).

Almost surely, 2^40326654522 is an apocalyptic number.

40326654522 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 40326654522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53198290944).

40326654522 is an abundant number, since it is smaller than the sum of its proper divisors (66069927366).

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

40326654522 is a wasteful number, since it uses less digits than its factorization.

40326654522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713.

The product of its (nonzero) digits is 345600, while the sum is 39.

The spelling of 40326654522 in words is "forty billion, three hundred twenty-six million, six hundred fifty-four thousand, five hundred twenty-two".