40561927 has 4 divisors (see below), whose sum is σ = 46356496. Its totient is φ = 34767360.

The previous prime is 40561921. The next prime is 40561931. The reversal of 40561927 is 72916504.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40561927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40561892 and 40561901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40561921) 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, 2897274 + ... + 2897287.

It is an arithmetic number, because the mean of its divisors is an integer number (11589124).

Almost surely, 2^40561927 is an apocalyptic number.

40561927 is a deficient number, since it is larger than the sum of its proper divisors (5794569).

40561927 is an equidigital number, since it uses as much as digits as its factorization.

40561927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5794568.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 40561927 is about 6368.8246168347. The cubic root of 40561927 is about 343.5892175030.

The spelling of 40561927 in words is "forty million, five hundred sixty-one thousand, nine hundred twenty-seven".