40998308 has 12 divisors (see below), whose sum is σ = 77266140. Its totient is φ = 18922272.

The previous prime is 40998301. The next prime is 40998313. The reversal of 40998308 is 80389904.

It can be written as a sum of positive squares in 2 ways, for example, as 14455204 + 26543104 = 3802^2 + 5152^2 .

It is a super-2 number, since 2×40998308² = 3361722517725728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40998301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394163 + ... + 394266.

It is an arithmetic number, because the mean of its divisors is an integer number (6438845).

Almost surely, 2^40998308 is an apocalyptic number.

It is an amenable number.

40998308 is a deficient number, since it is larger than the sum of its proper divisors (36267832).

40998308 is a wasteful number, since it uses less digits than its factorization.

40998308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788446 (or 788444 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 40998308 is about 6402.9921130671. The cubic root of 40998308 is about 344.8169805717.

The spelling of 40998308 in words is "forty million, nine hundred ninety-eight thousand, three hundred eight".