40789492 has 6 divisors (see below), whose sum is σ = 71381618. Its totient is φ = 20394744.

The previous prime is 40789487. The next prime is 40789493. The reversal of 40789492 is 29498704.

It can be written as a sum of positive squares in only one way, i.e., 39614436 + 1175056 = 6294^2 + 1084^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40789493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5098683 + ... + 5098690.

Almost surely, 2^40789492 is an apocalyptic number.

It is an amenable number.

40789492 is a deficient number, since it is larger than the sum of its proper divisors (30592126).

40789492 is a wasteful number, since it uses less digits than its factorization.

40789492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10197377 (or 10197375 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 40789492 is about 6386.6651704939. The cubic root of 40789492 is about 344.2305669885.

The spelling of 40789492 in words is "forty million, seven hundred eighty-nine thousand, four hundred ninety-two".