40504352 has 96 divisors (see below), whose sum is σ = 99348480. Its totient is φ = 15863040.

The previous prime is 40504339. The next prime is 40504363. The reversal of 40504352 is 25340504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131783 + ... + 132089.

It is an arithmetic number, because the mean of its divisors is an integer number (1034880).

Almost surely, 2^40504352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40504352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49674240).

40504352 is an abundant number, since it is smaller than the sum of its proper divisors (58844128).

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

40504352 is a wasteful number, since it uses less digits than its factorization.

40504352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 40504352 is about 6364.3029469063. The cubic root of 40504352 is about 343.4265730572.

Adding to 40504352 its reverse (25340504), we get a palindrome (65844856).

The spelling of 40504352 in words is "forty million, five hundred four thousand, three hundred fifty-two".