40260344072 has 48 divisors (see below), whose sum is σ = 81797706000. Its totient is φ = 18568944576.

The previous prime is 40260344071. The next prime is 40260344093. The reversal of 40260344072 is 27044306204.

It is not an unprimeable number, because it can be changed into a prime (40260344071) 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, 2125379 + ... + 2144237.

It is an arithmetic number, because the mean of its divisors is an integer number (1704118875).

Almost surely, 2^40260344072 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 40260344072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40898853000).

40260344072 is an abundant number, since it is smaller than the sum of its proper divisors (41537361928).

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

40260344072 is a wasteful number, since it uses less digits than its factorization.

40260344072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20470 (or 20453 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 32.

The spelling of 40260344072 in words is "forty billion, two hundred sixty million, three hundred forty-four thousand, seventy-two".