542101266 has 96 divisors (see below), whose sum is σ = 1374662016. Its totient is φ = 151200000.

The previous prime is 542101249. The next prime is 542101267. The reversal of 542101266 is 662101245.

It is not an unprimeable number, because it can be changed into a prime (542101267) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1929046 + ... + 1929326.

It is an arithmetic number, because the mean of its divisors is an integer number (14319396).

Almost surely, 2^542101266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542101266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (687331008).

542101266 is an abundant number, since it is smaller than the sum of its proper divisors (832560750).

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

542101266 is a wasteful number, since it uses less digits than its factorization.

542101266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 542101266 is about 23283.0682256441. The cubic root of 542101266 is about 815.3801611339.

The spelling of 542101266 in words is "five hundred forty-two million, one hundred one thousand, two hundred sixty-six".