40251152 has 10 divisors (see below), whose sum is σ = 77986638. Its totient is φ = 20125568.

The previous prime is 40251151. The next prime is 40251163. The reversal of 40251152 is 25115204.

It can be written as a sum of positive squares in only one way, i.e., 23078416 + 17172736 = 4804^2 + 4144^2 .

It is not an unprimeable number, because it can be changed into a prime (40251151) 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 as a sum of consecutive naturals, namely, 1257833 + ... + 1257864.

Almost surely, 2^40251152 is an apocalyptic number.

It is an amenable number.

40251152 is a deficient number, since it is larger than the sum of its proper divisors (37735486).

40251152 is a wasteful number, since it uses less digits than its factorization.

40251152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515705 (or 2515699 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 40251152 is about 6344.3795598939. The cubic root of 40251152 is about 342.7094696053.

Adding to 40251152 its reverse (25115204), we get a palindrome (65366356).

The spelling of 40251152 in words is "forty million, two hundred fifty-one thousand, one hundred fifty-two".