40146252 has 24 divisors (see below), whose sum is σ = 93945600. Its totient is φ = 13343376.

The previous prime is 40146251. The next prime is 40146269. The reversal of 40146252 is 25264104.

It is a super-2 number, since 2×40146252² = 3223443099295008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40146251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352 + ... + 8967.

It is an arithmetic number, because the mean of its divisors is an integer number (3914400).

Almost surely, 2^40146252 is an apocalyptic number.

It is an amenable number.

40146252 is an abundant number, since it is smaller than the sum of its proper divisors (53799348).

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

40146252 is a wasteful number, since it uses less digits than its factorization.

40146252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9685 (or 9683 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 40146252 is about 6336.1070066722. The cubic root of 40146252 is about 342.4114947047.

The spelling of 40146252 in words is "forty million, one hundred forty-six thousand, two hundred fifty-two".