40852831 has 4 divisors (see below), whose sum is σ = 43003000. Its totient is φ = 38702664.

The previous prime is 40852829. The next prime is 40852841. The reversal of 40852831 is 13825804.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40852831 - 2¹ = 40852829 is a prime.

It is a super-2 number, since 2×40852831² = 3337907601429122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40852793 and 40852802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40852841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1075056 + ... + 1075093.

It is an arithmetic number, because the mean of its divisors is an integer number (10750750).

Almost surely, 2^40852831 is an apocalyptic number.

40852831 is a deficient number, since it is larger than the sum of its proper divisors (2150169).

40852831 is a wasteful number, since it uses less digits than its factorization.

40852831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150168.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 40852831 is about 6391.6219381312. The cubic root of 40852831 is about 344.4086516128.

The spelling of 40852831 in words is "forty million, eight hundred fifty-two thousand, eight hundred thirty-one".