40147034 has 4 divisors (see below), whose sum is σ = 60220554. Its totient is φ = 20073516.

The previous prime is 40147033. The next prime is 40147061. The reversal of 40147034 is 43074104.

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

It can be written as a sum of positive squares in only one way, i.e., 39250225 + 896809 = 6265^2 + 947^2 .

It is a super-2 number, since 2×40147034² = 3223568677994312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40147033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10036757 + ... + 10036760.

Almost surely, 2^40147034 is an apocalyptic number.

40147034 is a deficient number, since it is larger than the sum of its proper divisors (20073520).

40147034 is a wasteful number, since it uses less digits than its factorization.

40147034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20073519.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 40147034 is about 6336.1687161880. The cubic root of 40147034 is about 342.4137179429.

The spelling of 40147034 in words is "forty million, one hundred forty-seven thousand, thirty-four".