40497403 has 8 divisors (see below), whose sum is σ = 41383440. Its totient is φ = 39621120.

The previous prime is 40497389. The next prime is 40497419. The reversal of 40497403 is 30479404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40497403 - 2⁹ = 40496891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40497703) 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, 6288 + ... + 10978.

It is an arithmetic number, because the mean of its divisors is an integer number (5172930).

Almost surely, 2^40497403 is an apocalyptic number.

40497403 is a deficient number, since it is larger than the sum of its proper divisors (886037).

40497403 is an equidigital number, since it uses as much as digits as its factorization.

40497403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4877.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 40497403 is about 6363.7569878178. The cubic root of 40497403 is about 343.4069323057.

The spelling of 40497403 in words is "forty million, four hundred ninety-seven thousand, four hundred three".