40562394 has 8 divisors (see below), whose sum is σ = 81124800. Its totient is φ = 13520796.

The previous prime is 40562341. The next prime is 40562449. The reversal of 40562394 is 49326504.

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

40562394 is an admirable number.

It is a super-2 number, since 2×40562394² = 3290615614022472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3380194 + ... + 3380205.

It is an arithmetic number, because the mean of its divisors is an integer number (10140600).

Almost surely, 2^40562394 is an apocalyptic number.

40562394 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40562394 is a wasteful number, since it uses less digits than its factorization.

40562394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6760404.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 40562394 is about 6368.8612796951. The cubic root of 40562394 is about 343.5905361086.

Adding to 40562394 its reverse (49326504), we get a palindrome (89888898).

The spelling of 40562394 in words is "forty million, five hundred sixty-two thousand, three hundred ninety-four".