40898949 has 32 divisors (see below), whose sum is σ = 68947200. Its totient is φ = 20984832.

The previous prime is 40898929. The next prime is 40898959. The reversal of 40898949 is 94989804.

It is not a de Polignac number, because 40898949 - 2⁵ = 40898917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40898929) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8077 + ... + 12125.

It is an arithmetic number, because the mean of its divisors is an integer number (2154600).

Almost surely, 2^40898949 is an apocalyptic number.

It is an amenable number.

40898949 is a deficient number, since it is larger than the sum of its proper divisors (28048251).

40898949 is a wasteful number, since it uses less digits than its factorization.

40898949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4109.

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 40898949 is about 6395.2286120201. The cubic root of 40898949 is about 344.5382017134.

The spelling of 40898949 in words is "forty million, eight hundred ninety-eight thousand, nine hundred forty-nine".