40144297104 has 60 divisors (see below), whose sum is σ = 114468076476. Its totient is φ = 13128950016.

The previous prime is 40144297087. The next prime is 40144297147. The reversal of 40144297104 is 40179244104.

It can be written as a sum of positive squares in 2 ways, for example, as 16551337104 + 23592960000 = 128652^2 + 153600^2 .

It is a super-2 number, since 2×40144297104² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2622367 + ... + 2637630.

Almost surely, 2^40144297104 is an apocalyptic number.

It is an amenable number.

40144297104 is an abundant number, since it is smaller than the sum of its proper divisors (74323779372).

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

40144297104 is a wasteful number, since it uses less digits than its factorization.

40144297104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260064 (or 5260055 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 40144297104 in words is "forty billion, one hundred forty-four million, two hundred ninety-seven thousand, one hundred four".