40259194 has 4 divisors (see below), whose sum is σ = 60388794. Its totient is φ = 20129596.

The previous prime is 40259189. The next prime is 40259203. The reversal of 40259194 is 49195204.

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., 40259025 + 169 = 6345^2 + 13^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10064797 + ... + 10064800.

Almost surely, 2^40259194 is an apocalyptic number.

40259194 is a deficient number, since it is larger than the sum of its proper divisors (20129600).

40259194 is a wasteful number, since it uses less digits than its factorization.

40259194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20129599.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 40259194 is about 6345.0133175589. The cubic root of 40259194 is about 342.7322920248.

The spelling of 40259194 in words is "forty million, two hundred fifty-nine thousand, one hundred ninety-four".