40478498 has 16 divisors (see below), whose sum is σ = 62972160. Its totient is φ = 19494000.

The previous prime is 40478497. The next prime is 40478527. The reversal of 40478498 is 89487404.

It is not an unprimeable number, because it can be changed into a prime (40478497) 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, 12773 + ... + 15623.

It is an arithmetic number, because the mean of its divisors is an integer number (3935760).

Almost surely, 2^40478498 is an apocalyptic number.

40478498 is a deficient number, since it is larger than the sum of its proper divisors (22493662).

40478498 is a wasteful number, since it uses less digits than its factorization.

40478498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113.

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

The square root of 40478498 is about 6362.2714497261. The cubic root of 40478498 is about 343.3534875738.

The spelling of 40478498 in words is "forty million, four hundred seventy-eight thousand, four hundred ninety-eight".