40704142 has 8 divisors (see below), whose sum is σ = 61091136. Its totient is φ = 20340432.

The previous prime is 40704127. The next prime is 40704149. The reversal of 40704142 is 24140704.

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 (40704149) 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, 463 + ... + 9034.

It is an arithmetic number, because the mean of its divisors is an integer number (7636392).

Almost surely, 2^40704142 is an apocalyptic number.

40704142 is a deficient number, since it is larger than the sum of its proper divisors (20386994).

40704142 is a wasteful number, since it uses less digits than its factorization.

40704142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11642.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 40704142 is about 6379.9797805322. The cubic root of 40704142 is about 343.9903041706.

Adding to 40704142 its reverse (24140704), we get a palindrome (64844846).

The spelling of 40704142 in words is "forty million, seven hundred four thousand, one hundred forty-two".