542561740 has 48 divisors (see below), whose sum is σ = 1315605312. Its totient is φ = 184098816.

The previous prime is 542561731. The next prime is 542561741. The reversal of 542561740 is 47165245.

It is a junction number, because it is equal to n+sod(n) for n = 542561696 and 542561705.

It is not an unprimeable number, because it can be changed into a prime (542561741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6397 + ... + 33556.

It is an arithmetic number, because the mean of its divisors is an integer number (27408444).

Almost surely, 2^542561740 is an apocalyptic number.

It is an amenable number.

542561740 is an abundant number, since it is smaller than the sum of its proper divisors (773043572).

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

542561740 is a wasteful number, since it uses less digits than its factorization.

542561740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40066 (or 40064 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 542561740 is about 23292.9547288445. The cubic root of 542561740 is about 815.6109637098.

The spelling of 542561740 in words is "five hundred forty-two million, five hundred sixty-one thousand, seven hundred forty".