542220817730 has 32 divisors (see below), whose sum is σ = 978999360768. Its totient is φ = 216222249600.

The previous prime is 542220817729. The next prime is 542220817741. The reversal of 542220817730 is 37718022245.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4282919 + ... + 4407701.

It is an arithmetic number, because the mean of its divisors is an integer number (30593730024).

Almost surely, 2^542220817730 is an apocalyptic number.

542220817730 is a deficient number, since it is larger than the sum of its proper divisors (436778543038).

542220817730 is a wasteful number, since it uses less digits than its factorization.

542220817730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126122.

The product of its (nonzero) digits is 188160, while the sum is 41.

Adding to 542220817730 its reverse (37718022245), we get a palindrome (579938839975).

The spelling of 542220817730 in words is "five hundred forty-two billion, two hundred twenty million, eight hundred seventeen thousand, seven hundred thirty".