542154240 has 120 divisors (see below), whose sum is σ = 1877712408. Its totient is φ = 144568320.

The previous prime is 542154233. The next prime is 542154241. The reversal of 542154240 is 42451245.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542154241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11275 + ... + 34805.

Almost surely, 2^542154240 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 542154240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (938856204).

542154240 is an abundant number, since it is smaller than the sum of its proper divisors (1335558168).

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

542154240 is a wasteful number, since it uses less digits than its factorization.

542154240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23560 (or 23541 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 542154240 is about 23284.2058056529. The cubic root of 542154240 is about 815.4067198506.

The spelling of 542154240 in words is "five hundred forty-two million, one hundred fifty-four thousand, two hundred forty".