542981648 has 20 divisors (see below), whose sum is σ = 1147666128. Its totient is φ = 246809760.

The previous prime is 542981641. The next prime is 542981651. The reversal of 542981648 is 846189245.

It is not an unprimeable number, because it can be changed into a prime (542981641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1542386 + ... + 1542737.

Almost surely, 2^542981648 is an apocalyptic number.

It is an amenable number.

542981648 is an abundant number, since it is smaller than the sum of its proper divisors (604684480).

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

542981648 is a wasteful number, since it uses less digits than its factorization.

542981648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085142 (or 3085136 counting only the distinct ones).

The product of its digits is 552960, while the sum is 47.

The square root of 542981648 is about 23301.9666122840. The cubic root of 542981648 is about 815.8213196493.

The spelling of 542981648 in words is "five hundred forty-two million, nine hundred eighty-one thousand, six hundred forty-eight".