40251032 has 32 divisors (see below), whose sum is σ = 77167200. Its totient is φ = 19678464.

The previous prime is 40251031. The next prime is 40251041. The reversal of 40251032 is 23015204.

It is a self number, because there is not a number n which added to its sum of digits gives 40251032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40251031) 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, 91469 + ... + 91907.

It is an arithmetic number, because the mean of its divisors is an integer number (2411475).

Almost surely, 2^40251032 is an apocalyptic number.

It is an amenable number.

40251032 is a deficient number, since it is larger than the sum of its proper divisors (36916168).

40251032 is a wasteful number, since it uses less digits than its factorization.

40251032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 671 counting only the distinct ones).

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

The square root of 40251032 is about 6344.3701026974. The cubic root of 40251032 is about 342.7091290339.

Adding to 40251032 its reverse (23015204), we get a palindrome (63266236).

The spelling of 40251032 in words is "forty million, two hundred fifty-one thousand, thirty-two".