542630340 has 240 divisors, whose sum is σ = 1967750400. Its totient is φ = 122611968.

The previous prime is 542630321. The next prime is 542630359. The reversal of 542630340 is 43036245.

It is an interprime number because it is at equal distance from previous prime (542630321) and next prime (542630359).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 13.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1235841 + ... + 1236279.

It is an arithmetic number, because the mean of its divisors is an integer number (8198960).

Almost surely, 2^542630340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542630340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (983875200).

542630340 is an abundant number, since it is smaller than the sum of its proper divisors (1425120060).

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

542630340 is a wasteful number, since it uses less digits than its factorization.

542630340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 542630340 is about 23294.4272305631. The cubic root of 542630340 is about 815.6453367898.

Adding to 542630340 its reverse (43036245), we get a palindrome (585666585).

The spelling of 542630340 in words is "five hundred forty-two million, six hundred thirty thousand, three hundred forty".