542748438 has 20 divisors (see below), whose sum is σ = 1216158900. Its totient is φ = 180916092.

The previous prime is 542748419. The next prime is 542748439. The reversal of 542748438 is 834847245.

It is a happy number.

542748438 is a `hidden beast` number, since 542 + 74 + 8 + 4 + 38 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 542748393 and 542748402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542748439) 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, 1674988 + ... + 1675311.

It is an arithmetic number, because the mean of its divisors is an integer number (60807945).

Almost surely, 2^542748438 is an apocalyptic number.

542748438 is an abundant number, since it is smaller than the sum of its proper divisors (673410462).

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

542748438 is a wasteful number, since it uses less digits than its factorization.

542748438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350313 (or 3350304 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The square root of 542748438 is about 23296.9619907833. The cubic root of 542748438 is about 815.7045048143.

The spelling of 542748438 in words is "five hundred forty-two million, seven hundred forty-eight thousand, four hundred thirty-eight".