5390263442 has 4 divisors (see below), whose sum is σ = 8085395166. Its totient is φ = 2695131720.

The previous prime is 5390263429. The next prime is 5390263447. The reversal of 5390263442 is 2443620935.

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., 4511674561 + 878588881 = 67169^2 + 29641^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5390263396 and 5390263405.

It is not an unprimeable number, because it can be changed into a prime (5390263447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1347565859 + ... + 1347565862.

Almost surely, 2^5390263442 is an apocalyptic number.

5390263442 is a deficient number, since it is larger than the sum of its proper divisors (2695131724).

5390263442 is a wasteful number, since it uses less digits than its factorization.

5390263442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695131723.

The product of its (nonzero) digits is 155520, while the sum is 38.

The square root of 5390263442 is about 73418.4135077843. The cubic root of 5390263442 is about 1753.3555689839.

The spelling of 5390263442 in words is "five billion, three hundred ninety million, two hundred sixty-three thousand, four hundred forty-two".