542102321250 has 480 divisors, whose sum is σ = 1753163508096. Its totient is φ = 122938560000.

The previous prime is 542102321249. The next prime is 542102321279. The reversal of 542102321250 is 52123201245.

542102321250 is a `hidden beast` number, since 5 + 421 + 0 + 23 + 212 + 5 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 291295320 + ... + 291297180.

Almost surely, 2^542102321250 is an apocalyptic number.

542102321250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 542102321250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (876581754048).

542102321250 is an abundant number, since it is smaller than the sum of its proper divisors (1211061186846).

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

542102321250 is a wasteful number, since it uses less digits than its factorization.

542102321250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042 (or 2015 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 542102321250 its reverse (52123201245), we get a palindrome (594225522495).

The spelling of 542102321250 in words is "five hundred forty-two billion, one hundred two million, three hundred twenty-one thousand, two hundred fifty".