27245537142 has 16 divisors (see below), whose sum is σ = 54806053680. Its totient is φ = 9029349152.

The previous prime is 27245537107. The next prime is 27245537191. The reversal of 27245537142 is 24173554272.

It is a super-2 number, since 2×27245537142² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27245537094 and 27245537103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13123017 + ... + 13125092.

It is an arithmetic number, because the mean of its divisors is an integer number (3425378355).

Almost surely, 2^27245537142 is an apocalyptic number.

27245537142 is an abundant number, since it is smaller than the sum of its proper divisors (27560516538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27245537142 is a wasteful number, since it uses less digits than its factorization.

27245537142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26248287.

The product of its digits is 470400, while the sum is 42.

The spelling of 27245537142 in words is "twenty-seven billion, two hundred forty-five million, five hundred thirty-seven thousand, one hundred forty-two".