40245900 has 36 divisors (see below), whose sum is σ = 116445672. Its totient is φ = 10732160.

The previous prime is 40245871. The next prime is 40245901. The reversal of 40245900 is 954204.

It is not an unprimeable number, because it can be changed into a prime (40245901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66777 + ... + 67376.

It is an arithmetic number, because the mean of its divisors is an integer number (3234602).

Almost surely, 2^40245900 is an apocalyptic number.

It is an amenable number.

40245900 is an abundant number, since it is smaller than the sum of its proper divisors (76199772).

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

40245900 is a wasteful number, since it uses less digits than its factorization.

40245900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134170 (or 134163 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 40245900 is about 6343.9656367291. The cubic root of 40245900 is about 342.6945632955.

The spelling of 40245900 in words is "forty million, two hundred forty-five thousand, nine hundred".