40253000 has 32 divisors (see below), whose sum is σ = 94194360. Its totient is φ = 16100800.

The previous prime is 40252987. The next prime is 40253011. The reversal of 40253000 is 35204.

It can be written as a sum of positive squares in 4 ways, for example, as 19695844 + 20557156 = 4438^2 + 4534^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19127 + ... + 21126.

Almost surely, 2^40253000 is an apocalyptic number.

40253000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40253000 is an abundant number, since it is smaller than the sum of its proper divisors (53941360).

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

40253000 is a wasteful number, since it uses less digits than its factorization.

40253000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40274 (or 40260 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 40253000 is about 6344.5251989412. The cubic root of 40253000 is about 342.7147143199.

Adding to 40253000 its reverse (35204), we get a palindrome (40288204).

The spelling of 40253000 in words is "forty million, two hundred fifty-three thousand".