40740572417 has 4 divisors (see below), whose sum is σ = 41037948996. Its totient is φ = 40443195840.

The previous prime is 40740572413. The next prime is 40740572429. The reversal of 40740572417 is 71427504704.

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 26835681856 + 13904890561 = 163816^2 + 117919^2 .

It is a cyclic number.

It is not a de Polignac number, because 40740572417 - 2² = 40740572413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40740572413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148688084 + ... + 148688357.

It is an arithmetic number, because the mean of its divisors is an integer number (10259487249).

Almost surely, 2^40740572417 is an apocalyptic number.

It is an amenable number.

40740572417 is a deficient number, since it is larger than the sum of its proper divisors (297376579).

40740572417 is a wasteful number, since it uses less digits than its factorization.

40740572417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297376578.

The product of its (nonzero) digits is 219520, while the sum is 41.

The spelling of 40740572417 in words is "forty billion, seven hundred forty million, five hundred seventy-two thousand, four hundred seventeen".