40014578 has 16 divisors (see below), whose sum is σ = 62000640. Its totient is φ = 19357536.

The previous prime is 40014571. The next prime is 40014599. The reversal of 40014578 is 87541004.

It is a self number, because there is not a number n which added to its sum of digits gives 40014578.

It is not an unprimeable number, because it can be changed into a prime (40014571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5975 + ... + 10757.

It is an arithmetic number, because the mean of its divisors is an integer number (3875040).

Almost surely, 2^40014578 is an apocalyptic number.

40014578 is a deficient number, since it is larger than the sum of its proper divisors (21986062).

40014578 is a wasteful number, since it uses less digits than its factorization.

40014578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4921.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 40014578 is about 6325.7077074427. The cubic root of 40014578 is about 342.0367310047.

The spelling of 40014578 in words is "forty million, fourteen thousand, five hundred seventy-eight".