40074661 has 24 divisors (see below), whose sum is σ = 48045312. Its totient is φ = 33033600.

The previous prime is 40074649. The next prime is 40074701. The reversal of 40074661 is 16647004.

It is not a de Polignac number, because 40074661 - 2⁹ = 40074149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40074061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179596 + ... + 179818.

It is an arithmetic number, because the mean of its divisors is an integer number (2001888).

Almost surely, 2^40074661 is an apocalyptic number.

It is an amenable number.

40074661 is a deficient number, since it is larger than the sum of its proper divisors (7970651).

40074661 is a wasteful number, since it uses less digits than its factorization.

40074661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 40074661 is about 6330.4550389368. The cubic root of 40074661 is about 342.2078379424.

It can be divided in two parts, 4007 and 4661, that added together give a palindrome (8668).

The spelling of 40074661 in words is "forty million, seventy-four thousand, six hundred sixty-one".