40345752 has 16 divisors (see below), whose sum is σ = 100864440. Its totient is φ = 13448576.

The previous prime is 40345751. The next prime is 40345769. The reversal of 40345752 is 25754304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40345751) 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 3 ways as a sum of consecutive naturals, for example, 840513 + ... + 840560.

Almost surely, 2^40345752 is an apocalyptic number.

It is an amenable number.

40345752 is an abundant number, since it is smaller than the sum of its proper divisors (60518688).

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

40345752 is a wasteful number, since it uses less digits than its factorization.

40345752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681082 (or 1681078 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 40345752 is about 6351.8306022752. The cubic root of 40345752 is about 342.9777430897.

The spelling of 40345752 in words is "forty million, three hundred forty-five thousand, seven hundred fifty-two".