40636294 has 8 divisors (see below), whose sum is σ = 62251488. Its totient is φ = 19885800.

The previous prime is 40636291. The next prime is 40636303. The reversal of 40636294 is 49263604.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40636291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216057 + ... + 216244.

It is an arithmetic number, because the mean of its divisors is an integer number (7781436).

Almost surely, 2^40636294 is an apocalyptic number.

40636294 is a deficient number, since it is larger than the sum of its proper divisors (21615194).

40636294 is a wasteful number, since it uses less digits than its factorization.

40636294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432350.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 40636294 is about 6374.6603046751. The cubic root of 40636294 is about 343.7990702841.

Adding to 40636294 its reverse (49263604), we get a palindrome (89899898).

The spelling of 40636294 in words is "forty million, six hundred thirty-six thousand, two hundred ninety-four".