542542440000 has 560 divisors, whose sum is σ = 2024462214720. Its totient is φ = 126981120000.

The previous prime is 542542439969. The next prime is 542542440019. The reversal of 542542440000 is 44245245.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 542542440000.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 38272914 + ... + 38287086.

Almost surely, 2^542542440000 is an apocalyptic number.

542542440000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542542440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1012231107360).

542542440000 is an abundant number, since it is smaller than the sum of its proper divisors (1481919774720).

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

542542440000 is a wasteful number, since it uses less digits than its factorization.

542542440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14248 (or 14223 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

Adding to 542542440000 its reverse (44245245), we get a palindrome (542586685245).

The spelling of 542542440000 in words is "five hundred forty-two billion, five hundred forty-two million, four hundred forty thousand".