40949808 has 40 divisors (see below), whose sum is σ = 107136000. Its totient is φ = 13475904.

The previous prime is 40949801. The next prime is 40949833. The reversal of 40949808 is 80894904.

It is a self number, because there is not a number n which added to its sum of digits gives 40949808.

It is not an unprimeable number, because it can be changed into a prime (40949801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1608 + ... + 9191.

It is an arithmetic number, because the mean of its divisors is an integer number (2678400).

Almost surely, 2^40949808 is an apocalyptic number.

40949808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40949808 is an abundant number, since it is smaller than the sum of its proper divisors (66186192).

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

40949808 is a wasteful number, since it uses less digits than its factorization.

40949808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10889 (or 10883 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 40949808 is about 6399.2037004615. The cubic root of 40949808 is about 344.6809568896.

The spelling of 40949808 in words is "forty million, nine hundred forty-nine thousand, eight hundred eight".