40881692 has 24 divisors (see below), whose sum is σ = 75532800. Its totient is φ = 19307376.

The previous prime is 40881689. The next prime is 40881697. The reversal of 40881692 is 29618804.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40881697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35843 + ... + 36965.

It is an arithmetic number, because the mean of its divisors is an integer number (3147200).

Almost surely, 2^40881692 is an apocalyptic number.

It is an amenable number.

40881692 is a deficient number, since it is larger than the sum of its proper divisors (34651108).

40881692 is a wasteful number, since it uses less digits than its factorization.

40881692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625 (or 1623 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 40881692 is about 6393.8792606680. The cubic root of 40881692 is about 344.4897364730.

The spelling of 40881692 in words is "forty million, eight hundred eighty-one thousand, six hundred ninety-two".