40851375 has 32 divisors (see below), whose sum is σ = 69660864. Its totient is φ = 21248000.

The previous prime is 40851359. The next prime is 40851379. The reversal of 40851375 is 57315804.

It is not a de Polignac number, because 40851375 - 2⁴ = 40851359 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40851379) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14047 + ... + 16703.

It is an arithmetic number, because the mean of its divisors is an integer number (2176902).

Almost surely, 2^40851375 is an apocalyptic number.

40851375 is a deficient number, since it is larger than the sum of its proper divisors (28809489).

40851375 is a wasteful number, since it uses less digits than its factorization.

40851375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716 (or 2706 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 40851375 is about 6391.5080380142. The cubic root of 40851375 is about 344.4045599750.

It can be divided in two parts, 4085 and 1375, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 40851375 in words is "forty million, eight hundred fifty-one thousand, three hundred seventy-five".