40000752 has 60 divisors (see below), whose sum is σ = 122128344. Its totient is φ = 12120960.

The previous prime is 40000733. The next prime is 40000759. The reversal of 40000752 is 25700004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40000759) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11043 + ... + 14210.

Almost surely, 2^40000752 is an apocalyptic number.

It is an amenable number.

40000752 is an abundant number, since it is smaller than the sum of its proper divisors (82127592).

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

40000752 is a wasteful number, since it uses less digits than its factorization.

40000752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25278 (or 25269 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 40000752 is about 6324.6147708774. The cubic root of 40000752 is about 341.9973324918.

Adding to 40000752 its reverse (25700004), we get a palindrome (65700756).

The spelling of 40000752 in words is "forty million, seven hundred fifty-two", and thus it is an aban number.