40330752 has 240 divisors, whose sum is σ = 139324416. Its totient is φ = 10137600.

The previous prime is 40330729. The next prime is 40330811. The reversal of 40330752 is 25703304.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1300977 + ... + 1301007.

Almost surely, 2^40330752 is an apocalyptic number.

40330752 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40330752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69662208).

40330752 is an abundant number, since it is smaller than the sum of its proper divisors (98993664).

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

40330752 is a wasteful number, since it uses less digits than its factorization.

40330752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 40330752 is about 6350.6497305394. The cubic root of 40330752 is about 342.9352330063.

The spelling of 40330752 in words is "forty million, three hundred thirty thousand, seven hundred fifty-two".