40586942 has 16 divisors (see below), whose sum is σ = 66561264. Its totient is φ = 18408000.

The previous prime is 40586933. The next prime is 40586947. The reversal of 40586942 is 24968504.

It is a super-2 number, since 2×40586942² = 3294599721822728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40586896 and 40586905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40586947) 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, 9692 + ... + 13232.

It is an arithmetic number, because the mean of its divisors is an integer number (4160079).

Almost surely, 2^40586942 is an apocalyptic number.

40586942 is a deficient number, since it is larger than the sum of its proper divisors (25974322).

40586942 is a wasteful number, since it uses less digits than its factorization.

40586942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4075.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 40586942 is about 6370.7881772980. The cubic root of 40586942 is about 343.6598347761.

The spelling of 40586942 in words is "forty million, five hundred eighty-six thousand, nine hundred forty-two".