542236420436 has 24 divisors (see below), whose sum is σ = 966915714240. Its totient is φ = 265993061312.

The previous prime is 542236420433. The next prime is 542236420447. The reversal of 542236420436 is 634024632245.

It is a junction number, because it is equal to n+sod(n) for n = 542236420393 and 542236420402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542236420433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2165201 + ... + 2402616.

It is an arithmetic number, because the mean of its divisors is an integer number (40288154760).

Almost surely, 2^542236420436 is an apocalyptic number.

It is an amenable number.

542236420436 is a deficient number, since it is larger than the sum of its proper divisors (424679293804).

542236420436 is a wasteful number, since it uses less digits than its factorization.

542236420436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4568383 (or 4568381 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 41.

The spelling of 542236420436 in words is "five hundred forty-two billion, two hundred thirty-six million, four hundred twenty thousand, four hundred thirty-six".