40244152 has 16 divisors (see below), whose sum is σ = 81262440. Its totient is φ = 18574176.

The previous prime is 40244137. The next prime is 40244177. The reversal of 40244152 is 25144204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193378 + ... + 193585.

Almost surely, 2^40244152 is an apocalyptic number.

It is an amenable number.

40244152 is an abundant number, since it is smaller than the sum of its proper divisors (41018288).

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

40244152 is a wasteful number, since it uses less digits than its factorization.

40244152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386982 (or 386978 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 40244152 is about 6343.8278665172. The cubic root of 40244152 is about 342.6896018065.

Adding to 40244152 its reverse (25144204), we get a palindrome (65388356).

The spelling of 40244152 in words is "forty million, two hundred forty-four thousand, one hundred fifty-two".