40746614081 has 4 divisors (see below), whose sum is σ = 40749165252. Its totient is φ = 40744062912.

The previous prime is 40746614009. The next prime is 40746614089. The reversal of 40746614081 is 18041664704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17350158400 + 23396455681 = 131720^2 + 152959^2 .

It is a cyclic number.

It is not a de Polignac number, because 40746614081 - 2³⁰ = 39672872257 is a prime.

It is a super-2 number, since 2×40746614081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40746614089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1251476 + ... + 1283621.

It is an arithmetic number, because the mean of its divisors is an integer number (10187291313).

Almost surely, 2^40746614081 is an apocalyptic number.

It is an amenable number.

40746614081 is a deficient number, since it is larger than the sum of its proper divisors (2551171).

40746614081 is a wasteful number, since it uses less digits than its factorization.

40746614081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551170.

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 40746614081 in words is "forty billion, seven hundred forty-six million, six hundred fourteen thousand, eighty-one".