40103252 has 24 divisors (see below), whose sum is σ = 81407424. Its totient is φ = 16929792.

The previous prime is 40103249. The next prime is 40103269. The reversal of 40103252 is 25230104.

It is a self number, because there is not a number n which added to its sum of digits gives 40103252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8813 + ... + 12564.

It is an arithmetic number, because the mean of its divisors is an integer number (3391976).

Almost surely, 2^40103252 is an apocalyptic number.

It is an amenable number.

40103252 is an abundant number, since it is smaller than the sum of its proper divisors (41304172).

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

40103252 is a wasteful number, since it uses less digits than its factorization.

40103252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21455 (or 21453 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 40103252 is about 6332.7128467980. The cubic root of 40103252 is about 342.2892005639.

Adding to 40103252 its reverse (25230104), we get a palindrome (65333356).

The spelling of 40103252 in words is "forty million, one hundred three thousand, two hundred fifty-two".