5425548642 has 20 divisors (see below), whose sum is σ = 12157248246. Its totient is φ = 1808516160.

The previous prime is 5425548619. The next prime is 5425548647. The reversal of 5425548642 is 2468455245.

5425548642 is a `hidden beast` number, since 5 + 42 + 5 + 548 + 64 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3527290881 + 1898257761 = 59391^2 + 43569^2 .

It is not an unprimeable number, because it can be changed into a prime (5425548647) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16745359 + ... + 16745682.

Almost surely, 2^5425548642 is an apocalyptic number.

5425548642 is an abundant number, since it is smaller than the sum of its proper divisors (6731699604).

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

5425548642 is a wasteful number, since it uses less digits than its factorization.

5425548642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33491055 (or 33491046 counting only the distinct ones).

The product of its digits is 1536000, while the sum is 45.

The square root of 5425548642 is about 73658.3236436996. The cubic root of 5425548642 is about 1757.1731309308.

The spelling of 5425548642 in words is "five billion, four hundred twenty-five million, five hundred forty-eight thousand, six hundred forty-two".