542251015424 has 18 divisors (see below), whose sum is σ = 1082383863330. Its totient is φ = 271125507584.

The previous prime is 542251015417. The next prime is 542251015429. The reversal of 542251015424 is 424510152245.

It can be written as a sum of positive squares in only one way, i.e., 538802977024 + 3448038400 = 734032^2 + 58720^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542251015429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059083759 + ... + 1059084270.

Almost surely, 2^542251015424 is an apocalyptic number.

It is an amenable number.

542251015424 is a deficient number, since it is larger than the sum of its proper divisors (540132847906).

542251015424 is an equidigital number, since it uses as much as digits as its factorization.

542251015424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118168045 (or 2118168031 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 542251015424 its reverse (424510152245), we get a palindrome (966761167669).

The spelling of 542251015424 in words is "five hundred forty-two billion, two hundred fifty-one million, fifteen thousand, four hundred twenty-four".