27405723148 has 48 divisors (see below), whose sum is σ = 49798312704. Its totient is φ = 13189176000.

The previous prime is 27405723143. The next prime is 27405723151. The reversal of 27405723148 is 84132750472.

It is a super-2 number, since 2×27405723148² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27405723143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3561361 + ... + 3569047.

It is an arithmetic number, because the mean of its divisors is an integer number (1037464848).

Almost surely, 2^27405723148 is an apocalyptic number.

It is an amenable number.

27405723148 is a deficient number, since it is larger than the sum of its proper divisors (22392589556).

27405723148 is a wasteful number, since it uses less digits than its factorization.

27405723148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8062 (or 8060 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 27405723148 in words is "twenty-seven billion, four hundred five million, seven hundred twenty-three thousand, one hundred forty-eight".