40985798 has 16 divisors (see below), whose sum is σ = 70988064. Its totient is φ = 17383680.

The previous prime is 40985783. The next prime is 40985803. The reversal of 40985798 is 89758904.

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, 13733 + ... + 16448.

It is an arithmetic number, because the mean of its divisors is an integer number (4436754).

Almost surely, 2^40985798 is an apocalyptic number.

40985798 is a deficient number, since it is larger than the sum of its proper divisors (30002266).

40985798 is a wasteful number, since it uses less digits than its factorization.

40985798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30287.

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 40985798 is about 6402.0151514972. The cubic root of 40985798 is about 344.7819051466.

The spelling of 40985798 in words is "forty million, nine hundred eighty-five thousand, seven hundred ninety-eight".