40452644096 has 72 divisors (see below), whose sum is σ = 83571568584. Its totient is φ = 19529072640.

The previous prime is 40452644059. The next prime is 40452644101. The reversal of 40452644096 is 69044625404.

It can be written as a sum of positive squares in 4 ways, for example, as 5078557696 + 35374086400 = 71264^2 + 188080^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 998246 + ... + 1037978.

Almost surely, 2^40452644096 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 40452644096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41785784292).

40452644096 is an abundant number, since it is smaller than the sum of its proper divisors (43118924488).

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

40452644096 is an equidigital number, since it uses as much as digits as its factorization.

40452644096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39887 (or 39873 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 40452644096 in words is "forty billion, four hundred fifty-two million, six hundred forty-four thousand, ninety-six".