40497468 has 48 divisors (see below), whose sum is σ = 109154304. Its totient is φ = 11549440.

The previous prime is 40497449. The next prime is 40497491. The reversal of 40497468 is 86479404.

It is a super-2 number, since 2×40497468² = 3280089828822048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6780 + ... + 11267.

It is an arithmetic number, because the mean of its divisors is an integer number (2274048).

Almost surely, 2^40497468 is an apocalyptic number.

It is an amenable number.

40497468 is an abundant number, since it is smaller than the sum of its proper divisors (68656836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40497468 is a wasteful number, since it uses less digits than its factorization.

40497468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18082 (or 18080 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 40497468 is about 6363.7620948618. The cubic root of 40497468 is about 343.4071160330.

The spelling of 40497468 in words is "forty million, four hundred ninety-seven thousand, four hundred sixty-eight".