40315294 has 4 divisors (see below), whose sum is σ = 60472944. Its totient is φ = 20157646.

The previous prime is 40315277. The next prime is 40315391. The reversal of 40315294 is 49251304.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10078822 + ... + 10078825.

It is an arithmetic number, because the mean of its divisors is an integer number (15118236).

Almost surely, 2^40315294 is an apocalyptic number.

40315294 is a deficient number, since it is larger than the sum of its proper divisors (20157650).

40315294 is a wasteful number, since it uses less digits than its factorization.

40315294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20157649.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 40315294 is about 6349.4325730730. The cubic root of 40315294 is about 342.8914139188.

Adding to 40315294 its reverse (49251304), we get a palindrome (89566598).

The spelling of 40315294 in words is "forty million, three hundred fifteen thousand, two hundred ninety-four".