40194059 has 4 divisors (see below), whose sum is σ = 40853040. Its totient is φ = 39535080.

The previous prime is 40194053. The next prime is 40194083. The reversal of 40194059 is 95049104.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40194059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40194053) 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, 329399 + ... + 329520.

It is an arithmetic number, because the mean of its divisors is an integer number (10213260).

Almost surely, 2^40194059 is an apocalyptic number.

40194059 is a deficient number, since it is larger than the sum of its proper divisors (658981).

40194059 is an equidigital number, since it uses as much as digits as its factorization.

40194059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658980.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 40194059 is about 6339.8784688667. The cubic root of 40194059 is about 342.5473577224.

The spelling of 40194059 in words is "forty million, one hundred ninety-four thousand, fifty-nine".