40286623 has 8 divisors (see below), whose sum is σ = 43909488. Its totient is φ = 36738624.

The previous prime is 40286581. The next prime is 40286633. The reversal of 40286623 is 32668204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40286623 - 2⁹ = 40286111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40286633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17590 + ... + 19747.

It is an arithmetic number, because the mean of its divisors is an integer number (5488686).

Almost surely, 2^40286623 is an apocalyptic number.

40286623 is a deficient number, since it is larger than the sum of its proper divisors (3622865).

40286623 is a wasteful number, since it uses less digits than its factorization.

40286623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37433.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 40286623 is about 6347.1744107122. The cubic root of 40286623 is about 342.8101100249.

It can be divided in two parts, 4028662 and 3, that multiplied together give a triangular number (12085986 = T₄₉₁₆).

The spelling of 40286623 in words is "forty million, two hundred eighty-six thousand, six hundred twenty-three".