40487232 has 56 divisors (see below), whose sum is σ = 107590336. Its totient is φ = 13436928.

The previous prime is 40487231. The next prime is 40487261. The reversal of 40487232 is 23278404.

It is a self number, because there is not a number n which added to its sum of digits gives 40487232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40487231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82893 + ... + 83379.

It is an arithmetic number, because the mean of its divisors is an integer number (1921256).

Almost surely, 2^40487232 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 40487232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53795168).

40487232 is an abundant number, since it is smaller than the sum of its proper divisors (67103104).

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

40487232 is a wasteful number, since it uses less digits than its factorization.

40487232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 40487232 is about 6362.9578027832. The cubic root of 40487232 is about 343.3781807965.

The spelling of 40487232 in words is "forty million, four hundred eighty-seven thousand, two hundred thirty-two".