40497488 has 10 divisors (see below), whose sum is σ = 78463914. Its totient is φ = 20248736.

The previous prime is 40497449. The next prime is 40497491. The reversal of 40497488 is 88479404.

It can be written as a sum of positive squares in only one way, i.e., 37847104 + 2650384 = 6152^2 + 1628^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265531 + ... + 1265562.

Almost surely, 2^40497488 is an apocalyptic number.

It is an amenable number.

40497488 is a deficient number, since it is larger than the sum of its proper divisors (37966426).

40497488 is a wasteful number, since it uses less digits than its factorization.

40497488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531101 (or 2531095 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 40497488 is about 6363.7636662591. The cubic root of 40497488 is about 343.4071725644.

The spelling of 40497488 in words is "forty million, four hundred ninety-seven thousand, four hundred eighty-eight".