27400442 has 4 divisors (see below), whose sum is σ = 41100666. Its totient is φ = 13700220.

The previous prime is 27400427. The next prime is 27400469. The reversal of 27400442 is 24400472.

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., 26925721 + 474721 = 5189^2 + 689^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6850109 + ... + 6850112.

Almost surely, 2^27400442 is an apocalyptic number.

27400442 is a deficient number, since it is larger than the sum of its proper divisors (13700224).

27400442 is a wasteful number, since it uses less digits than its factorization.

27400442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13700223.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 27400442 is about 5234.5431510305. The cubic root of 27400442 is about 301.4758462059.

The spelling of 27400442 in words is "twenty-seven million, four hundred thousand, four hundred forty-two".