40898942 has 16 divisors (see below), whose sum is σ = 70424160. Its totient is φ = 17450208.

The previous prime is 40898929. The next prime is 40898959. The reversal of 40898942 is 24989804.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 40898893 and 40898902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3173 + ... + 9584.

It is an arithmetic number, because the mean of its divisors is an integer number (4401510).

Almost surely, 2^40898942 is an apocalyptic number.

40898942 is a deficient number, since it is larger than the sum of its proper divisors (29525218).

40898942 is a wasteful number, since it uses less digits than its factorization.

40898942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12995.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 40898942 is about 6395.2280647370. The cubic root of 40898942 is about 344.5381820571.

It can be divided in two parts, 4089 and 8942, that added together give a palindrome (13031).

The spelling of 40898942 in words is "forty million, eight hundred ninety-eight thousand, nine hundred forty-two".