40242752 has 28 divisors (see below), whose sum is σ = 87117936. Its totient is φ = 18291840.

The previous prime is 40242751. The next prime is 40242767. The reversal of 40242752 is 25724204.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40242751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27878 + ... + 29285.

Almost surely, 2^40242752 is an apocalyptic number.

It is an amenable number.

40242752 is an abundant number, since it is smaller than the sum of its proper divisors (46875184).

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

40242752 is a wasteful number, since it uses less digits than its factorization.

40242752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57186 (or 57176 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 40242752 is about 6343.7175220843. The cubic root of 40242752 is about 342.6856279703.

Adding to 40242752 its reverse (25724204), we get a palindrome (65966956).

It can be divided in two parts, 4024 and 2752, that added together give a palindrome (6776).

The spelling of 40242752 in words is "forty million, two hundred forty-two thousand, seven hundred fifty-two".