40310452 has 48 divisors (see below), whose sum is σ = 88341120. Its totient is φ = 15668352.

The previous prime is 40310449. The next prime is 40310453. The reversal of 40310452 is 25401304.

40310452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40310453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20538 + ... + 22414.

It is an arithmetic number, because the mean of its divisors is an integer number (1840440).

Almost surely, 2^40310452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40310452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44170560).

40310452 is an abundant number, since it is smaller than the sum of its proper divisors (48030668).

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

40310452 is a wasteful number, since it uses less digits than its factorization.

40310452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960 (or 1958 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40310452 is about 6349.0512677092. The cubic root of 40310452 is about 342.8776859053.

Adding to 40310452 its reverse (25401304), we get a palindrome (65711756).

The spelling of 40310452 in words is "forty million, three hundred ten thousand, four hundred fifty-two".