40230252 has 36 divisors (see below), whose sum is σ = 101949120. Its totient is φ = 13376352.

The previous prime is 40230247. The next prime is 40230257. The reversal of 40230252 is 25203204.

It is an interprime number because it is at equal distance from previous prime (40230247) and next prime (40230257).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (40230257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16078 + ... + 18410.

It is an arithmetic number, because the mean of its divisors is an integer number (2831920).

Almost surely, 2^40230252 is an apocalyptic number.

It is an amenable number.

40230252 is an abundant number, since it is smaller than the sum of its proper divisors (61718868).

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

40230252 is a wasteful number, since it uses less digits than its factorization.

40230252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822 (or 2817 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 40230252 is about 6342.7322188470. The cubic root of 40230252 is about 342.6501432041.

Adding to 40230252 its reverse (25203204), we get a palindrome (65433456).

The spelling of 40230252 in words is "forty million, two hundred thirty thousand, two hundred fifty-two".