40208960 has 56 divisors (see below), whose sum is σ = 104461056. Its totient is φ = 14620160.

The previous prime is 40208951. The next prime is 40208963. The reversal of 40208960 is 6980204.

It is not an unprimeable number, because it can be changed into a prime (40208963) 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, 2192 + ... + 9231.

It is an arithmetic number, because the mean of its divisors is an integer number (1865376).

Almost surely, 2^40208960 is an apocalyptic number.

40208960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40208960 is an abundant number, since it is smaller than the sum of its proper divisors (64252096).

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

40208960 is a wasteful number, since it uses less digits than its factorization.

40208960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11451 (or 11441 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 40208960 is about 6341.0535402250. The cubic root of 40208960 is about 342.5896829455.

The spelling of 40208960 in words is "forty million, two hundred eight thousand, nine hundred sixty".