40140375 has 64 divisors (see below), whose sum is σ = 75119616. Its totient is φ = 18864000.

The previous prime is 40140367. The next prime is 40140389. The reversal of 40140375 is 57304104.

It is not a de Polignac number, because 40140375 - 2³ = 40140367 is a prime.

It is a super-2 number, since 2×40140375² = 3222499410281250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 152494 + ... + 152756.

It is an arithmetic number, because the mean of its divisors is an integer number (1173744).

Almost surely, 2^40140375 is an apocalyptic number.

40140375 is a deficient number, since it is larger than the sum of its proper divisors (34979241).

40140375 is a wasteful number, since it uses less digits than its factorization.

40140375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 40140375 is about 6335.6432191215. The cubic root of 40140375 is about 342.3947853776.

Adding to 40140375 its reverse (57304104), we get a palindrome (97444479).

The spelling of 40140375 in words is "forty million, one hundred forty thousand, three hundred seventy-five".