40492617 has 16 divisors (see below), whose sum is σ = 59486400. Its totient is φ = 24296000.

The previous prime is 40492609. The next prime is 40492619. The reversal of 40492617 is 71629404.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40492617 - 2³ = 40492609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (40492619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2742 + ... + 9407.

It is an arithmetic number, because the mean of its divisors is an integer number (3717900).

Almost surely, 2^40492617 is an apocalyptic number.

It is an amenable number.

40492617 is a deficient number, since it is larger than the sum of its proper divisors (18993783).

40492617 is a wasteful number, since it uses less digits than its factorization.

40492617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12264.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 40492617 is about 6363.3809409778. The cubic root of 40492617 is about 343.3934037812.

It can be divided in two parts, 4049 and 2617, that added together give a palindrome (6666).

The spelling of 40492617 in words is "forty million, four hundred ninety-two thousand, six hundred seventeen".