542430220355542 has 32 divisors (see below), whose sum is σ = 850104103223232. Its totient is φ = 259092331897344.

The previous prime is 542430220355497. The next prime is 542430220355557. The reversal of 542430220355542 is 245553022034245.

It is a super-2 number, since 2×542430220355542² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 542430220355492 and 542430220355501.

It is a congruent number.

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, 364976298 + ... + 366459490.

It is an arithmetic number, because the mean of its divisors is an integer number (26565753225726).

Almost surely, 2^{542430220355542} is an apocalyptic number.

542430220355542 is a deficient number, since it is larger than the sum of its proper divisors (307673882867690).

542430220355542 is a wasteful number, since it uses less digits than its factorization.

542430220355542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493352.

The product of its (nonzero) digits is 5760000, while the sum is 46.

Adding to 542430220355542 its reverse (245553022034245), we get a palindrome (787983242389787).

The spelling of 542430220355542 in words is "five hundred forty-two trillion, four hundred thirty billion, two hundred twenty million, three hundred fifty-five thousand, five hundred forty-two".