40452874641 has 9 divisors (see below), whose sum is σ = 58432801609. Its totient is φ = 26968180836.

The previous prime is 40452874621. The next prime is 40452874681. The reversal of 40452874641 is 14647825404.

The square root of 40452874641 is 201129.

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

40452874641 is a `hidden beast` number, since 40 + 4 + 528 + 7 + 46 + 41 = 666.

40452874641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (9).

It is a de Polignac number, because none of the positive numbers 2^k-40452874641 is a prime.

It is a super-3 number, since 3×40452874641³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40452874621) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 569866 + ... + 636908.

Almost surely, 2^40452874641 is an apocalyptic number.

40452874641 is the 201129-th square number.

40452874641 is the 100565-th centered octagonal number.

It is an amenable number.

40452874641 is a deficient number, since it is larger than the sum of its proper divisors (17979926968).

40452874641 is an frugal number, since it uses more digits than its factorization.

40452874641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134092 (or 67046 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

The spelling of 40452874641 in words is "forty billion, four hundred fifty-two million, eight hundred seventy-four thousand, six hundred forty-one".