40026252 has 48 divisors (see below), whose sum is σ = 108041472. Its totient is φ = 11296320.

The previous prime is 40026247. The next prime is 40026253. The reversal of 40026252 is 25262004.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (40026253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4102 + ... + 9842.

It is an arithmetic number, because the mean of its divisors is an integer number (2250864).

Almost surely, 2^40026252 is an apocalyptic number.

40026252 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40026252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54020736).

40026252 is an abundant number, since it is smaller than the sum of its proper divisors (68015220).

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

40026252 is a wasteful number, since it uses less digits than its factorization.

40026252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5838 (or 5836 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40026252 is about 6326.6303827551. The cubic root of 40026252 is about 342.0699901214.

Adding to 40026252 its reverse (25262004), we get a palindrome (65288256).

The spelling of 40026252 in words is "forty million, twenty-six thousand, two hundred fifty-two".