40252275 has 72 divisors (see below), whose sum is σ = 86088240. Its totient is φ = 18385920.

The previous prime is 40252213. The next prime is 40252307. The reversal of 40252275 is 57225204.

It is not a de Polignac number, because 40252275 - 2⁶ = 40252211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 32467 + ... + 33683.

It is an arithmetic number, because the mean of its divisors is an integer number (1195670).

Almost surely, 2^40252275 is an apocalyptic number.

40252275 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40252275 is an abundant number, since it is smaller than the sum of its proper divisors (45835965).

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

40252275 is a wasteful number, since it uses less digits than its factorization.

40252275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250 (or 1232 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 40252275 is about 6344.4680628087. The cubic root of 40252275 is about 342.7126567535.

Adding to 40252275 its reverse (57225204), we get a palindrome (97477479).

The spelling of 40252275 in words is "forty million, two hundred fifty-two thousand, two hundred seventy-five".