40546655044 has 81 divisors (see below), whose sum is σ = 87229566333. Its totient is φ = 16440804576.

The previous prime is 40546655011. The next prime is 40546655059. The reversal of 40546655044 is 44055664504.

The square root of 40546655044 is 201362.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 25049392900 + 15497262144 = 158270^2 + 124488^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 53561914 + ... + 53562670.

Almost surely, 2^40546655044 is an apocalyptic number.

40546655044 is the 201362-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40546655044

40546655044 is an abundant number, since it is smaller than the sum of its proper divisors (46682911289).

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

40546655044 is an equidigital number, since it uses as much as digits as its factorization.

40546655044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570 (or 785 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 40546655044 in words is "forty billion, five hundred forty-six million, six hundred fifty-five thousand, forty-four".