40512375 has 24 divisors (see below), whose sum is σ = 73032336. Its totient is φ = 21606000.

The previous prime is 40512371. The next prime is 40512397. The reversal of 40512375 is 57321504.

It is a happy number.

It is not a de Polignac number, because 40512375 - 2² = 40512371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40512371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16881 + ... + 19130.

It is an arithmetic number, because the mean of its divisors is an integer number (3043014).

Almost surely, 2^40512375 is an apocalyptic number.

40512375 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40512375 is a deficient number, since it is larger than the sum of its proper divisors (32519961).

40512375 is a wasteful number, since it uses less digits than its factorization.

40512375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36032 (or 36019 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 40512375 is about 6364.9332282436. The cubic root of 40512375 is about 343.4492465837.

Adding to 40512375 its reverse (57321504), we get a palindrome (97833879).

The spelling of 40512375 in words is "forty million, five hundred twelve thousand, three hundred seventy-five".