40749259264 has 120 divisors (see below), whose sum is σ = 99697815360. Its totient is φ = 16544618496.

The previous prime is 40749259261. The next prime is 40749259289. The reversal of 40749259264 is 46295294704.

It is not an unprimeable number, because it can be changed into a prime (40749259261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433929 + ... + 519415.

It is an arithmetic number, because the mean of its divisors is an integer number (830815128).

Almost surely, 2^40749259264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40749259264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49848907680).

40749259264 is an abundant number, since it is smaller than the sum of its proper divisors (58948556096).

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

40749259264 is an equidigital number, since it uses as much as digits as its factorization.

40749259264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85538 (or 85515 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 40749259264 in words is "forty billion, seven hundred forty-nine million, two hundred fifty-nine thousand, two hundred sixty-four".