40490800 has 60 divisors (see below), whose sum is σ = 111183856. Its totient is φ = 13881600.

The previous prime is 40490783. The next prime is 40490809. The reversal of 40490800 is 809404.

40490800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (40490809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4431 + ... + 10030.

Almost surely, 2^40490800 is an apocalyptic number.

40490800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40490800 is an abundant number, since it is smaller than the sum of its proper divisors (70693056).

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

40490800 is a wasteful number, since it uses less digits than its factorization.

40490800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14486 (or 14475 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 40490800 is about 6363.2381693600. The cubic root of 40490800 is about 343.3882674115.

It can be divided in two parts, 404 and 90800, that added together give a square (91204 = 302²).

The spelling of 40490800 in words is "forty million, four hundred ninety thousand, eight hundred".