40500631 has 4 divisors (see below), whose sum is σ = 42261552. Its totient is φ = 38739712.

The previous prime is 40500589. The next prime is 40500637. The reversal of 40500631 is 13600504.

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 40500631 - 2¹¹ = 40498583 is a prime.

It is a super-2 number, since 2×40500631² = 3280602222796322, 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 = 40500599 and 40500608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40500637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 880426 + ... + 880471.

It is an arithmetic number, because the mean of its divisors is an integer number (10565388).

Almost surely, 2^40500631 is an apocalyptic number.

40500631 is a deficient number, since it is larger than the sum of its proper divisors (1760921).

40500631 is a wasteful number, since it uses less digits than its factorization.

40500631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760920.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 40500631 is about 6364.0106065279. The cubic root of 40500631 is about 343.4160562498.

The spelling of 40500631 in words is "forty million, five hundred thousand, six hundred thirty-one".