542239040 has 112 divisors (see below), whose sum is σ = 1498104192. Its totient is φ = 183085056.

The previous prime is 542238989. The next prime is 542239067. The reversal of 542239040 is 40932245.

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 542238994 and 542239012.

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, 148274 + ... + 151886.

Almost surely, 2^542239040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542239040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749052096).

542239040 is an abundant number, since it is smaller than the sum of its proper divisors (955865152).

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

542239040 is a wasteful number, since it uses less digits than its factorization.

542239040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704 (or 3694 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 542239040 is about 23286.0267113134. The cubic root of 542239040 is about 815.4492310525.

The spelling of 542239040 in words is "five hundred forty-two million, two hundred thirty-nine thousand, forty".