542378536 has 32 divisors (see below), whose sum is σ = 1162995840. Its totient is φ = 232296768.

The previous prime is 542378531. The next prime is 542378609. The reversal of 542378536 is 635873245.

It is a junction number, because it is equal to n+sod(n) for n = 542378492 and 542378501.

It is not an unprimeable number, because it can be changed into a prime (542378531) 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, 147310 + ... + 150946.

It is an arithmetic number, because the mean of its divisors is an integer number (36343620).

Almost surely, 2^542378536 is an apocalyptic number.

542378536 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

542378536 is an abundant number, since it is smaller than the sum of its proper divisors (620617304).

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

542378536 is a wasteful number, since it uses less digits than its factorization.

542378536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6313 (or 6309 counting only the distinct ones).

The product of its digits is 604800, while the sum is 43.

The square root of 542378536 is about 23289.0217913935. The cubic root of 542378536 is about 815.5191523383.

The spelling of 542378536 in words is "five hundred forty-two million, three hundred seventy-eight thousand, five hundred thirty-six".