40271258 has 4 divisors (see below), whose sum is σ = 60406890. Its totient is φ = 20135628.

The previous prime is 40271251. The next prime is 40271291. The reversal of 40271258 is 85217204.

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., 38775529 + 1495729 = 6227^2 + 1223^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40271258.

It is not an unprimeable number, because it can be changed into a prime (40271251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10067813 + ... + 10067816.

Almost surely, 2^40271258 is an apocalyptic number.

40271258 is a deficient number, since it is larger than the sum of its proper divisors (20135632).

40271258 is a wasteful number, since it uses less digits than its factorization.

40271258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20135631.

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

The square root of 40271258 is about 6345.9639141741. The cubic root of 40271258 is about 342.7665227932.

The spelling of 40271258 in words is "forty million, two hundred seventy-one thousand, two hundred fifty-eight".