40841631 has 16 divisors (see below), whose sum is σ = 60666720. Its totient is φ = 27155520.

The previous prime is 40841623. The next prime is 40841639. The reversal of 40841631 is 13614804.

It is an interprime number because it is at equal distance from previous prime (40841623) and next prime (40841639).

It is not a de Polignac number, because 40841631 - 2³ = 40841623 is a prime.

It is a super-2 number, since 2×40841631² = 3336077645480322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 40841595 and 40841604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40841639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9571 + ... + 13163.

It is an arithmetic number, because the mean of its divisors is an integer number (3791670).

Almost surely, 2^40841631 is an apocalyptic number.

40841631 is a deficient number, since it is larger than the sum of its proper divisors (19825089).

40841631 is a wasteful number, since it uses less digits than its factorization.

40841631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4023 (or 4017 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 40841631 is about 6390.7457311334. The cubic root of 40841631 is about 344.3771749736.

The spelling of 40841631 in words is "forty million, eight hundred forty-one thousand, six hundred thirty-one".