542047330 has 48 divisors (see below), whose sum is σ = 1076217912. Its totient is φ = 196416000.

The previous prime is 542047277. The next prime is 542047343. The reversal of 542047330 is 33740245.

It can be written as a sum of positive squares in 4 ways, for example, as 255456289 + 286591041 = 15983^2 + 16929^2 .

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 450730 + ... + 451930.

Almost surely, 2^542047330 is an apocalyptic number.

542047330 is a deficient number, since it is larger than the sum of its proper divisors (534170582).

542047330 is a wasteful number, since it uses less digits than its factorization.

542047330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603 (or 1592 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 542047330 is about 23281.9099302441. The cubic root of 542047330 is about 815.3531183372.

Adding to 542047330 its reverse (33740245), we get a palindrome (575787575).

The spelling of 542047330 in words is "five hundred forty-two million, forty-seven thousand, three hundred thirty".