40270579 has 4 divisors (see below), whose sum is σ = 40578120. Its totient is φ = 39963040.

The previous prime is 40270577. The next prime is 40270583. The reversal of 40270579 is 97507204.

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

It is a cyclic number.

It is not a de Polignac number, because 40270579 - 2¹ = 40270577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40270577) 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, 153574 + ... + 153835.

It is an arithmetic number, because the mean of its divisors is an integer number (10144530).

Almost surely, 2^40270579 is an apocalyptic number.

40270579 is a deficient number, since it is larger than the sum of its proper divisors (307541).

40270579 is a wasteful number, since it uses less digits than its factorization.

40270579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307540.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 40270579 is about 6345.9104153778. The cubic root of 40270579 is about 342.7645963591.

The spelling of 40270579 in words is "forty million, two hundred seventy thousand, five hundred seventy-nine".