40142853 has 12 divisors (see below), whose sum is σ = 58114368. Its totient is φ = 26701800.

The previous prime is 40142821. The next prime is 40142857. The reversal of 40142853 is 35824104.

It is not a de Polignac number, because 40142853 - 2⁵ = 40142821 is a prime.

It is a super-2 number, since 2×40142853² = 3222897293959218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40142857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 573 + ... + 8978.

It is an arithmetic number, because the mean of its divisors is an integer number (4842864).

Almost surely, 2^40142853 is an apocalyptic number.

It is an amenable number.

40142853 is a deficient number, since it is larger than the sum of its proper divisors (17971515).

40142853 is a wasteful number, since it uses less digits than its factorization.

40142853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10024 (or 10021 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 40142853 is about 6335.8387763579. The cubic root of 40142853 is about 342.4018309589.

Adding to 40142853 its reverse (35824104), we get a palindrome (75966957).

The spelling of 40142853 in words is "forty million, one hundred forty-two thousand, eight hundred fifty-three".