40905498 has 16 divisors (see below), whose sum is σ = 84022560. Its totient is φ = 13266576.

The previous prime is 40905497. The next prime is 40905503. The reversal of 40905498 is 89450904.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40905493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91908 + ... + 92351.

It is an arithmetic number, because the mean of its divisors is an integer number (5251410).

Almost surely, 2^40905498 is an apocalyptic number.

40905498 is an abundant number, since it is smaller than the sum of its proper divisors (43117062).

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

40905498 is a wasteful number, since it uses less digits than its factorization.

40905498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184301.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 40905498 is about 6395.7406138773. The cubic root of 40905498 is about 344.5565906151.

The spelling of 40905498 in words is "forty million, nine hundred five thousand, four hundred ninety-eight".