40497814 has 12 divisors (see below), whose sum is σ = 70664724. Its totient is φ = 17356164.

The previous prime is 40497781. The next prime is 40497823. The reversal of 40497814 is 41879404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 206524 + ... + 206719.

It is an arithmetic number, because the mean of its divisors is an integer number (5888727).

Almost surely, 2^40497814 is an apocalyptic number.

40497814 is a deficient number, since it is larger than the sum of its proper divisors (30166910).

40497814 is a wasteful number, since it uses less digits than its factorization.

40497814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413259 (or 413252 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 40497814 is about 6363.7892799809. The cubic root of 40497814 is about 343.4080940244.

The spelling of 40497814 in words is "forty million, four hundred ninety-seven thousand, eight hundred fourteen".