542421213252 has 48 divisors (see below), whose sum is σ = 1375238860800. Its totient is φ = 165765394080.

The previous prime is 542421213251. The next prime is 542421213277. The reversal of 542421213252 is 252312124245.

It is a super-3 number, since 3×542421213252³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (542421213251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38364552 + ... + 38378687.

It is an arithmetic number, because the mean of its divisors is an integer number (28650809600).

Almost surely, 2^542421213252 is an apocalyptic number.

It is an amenable number.

542421213252 is an abundant number, since it is smaller than the sum of its proper divisors (832817647548).

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

542421213252 is a wasteful number, since it uses less digits than its factorization.

542421213252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76743296 (or 76743294 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

Adding to 542421213252 its reverse (252312124245), we get a palindrome (794733337497).

The spelling of 542421213252 in words is "five hundred forty-two billion, four hundred twenty-one million, two hundred thirteen thousand, two hundred fifty-two".