542055040 has 32 divisors (see below), whose sum is σ = 1295851860. Its totient is φ = 216821760.

The previous prime is 542054993. The next prime is 542055043. The reversal of 542055040 is 40550245.

It can be written as a sum of positive squares in 2 ways, for example, as 501401664 + 40653376 = 22392^2 + 6376^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 542054996 and 542055014.

It is not an unprimeable number, because it can be changed into a prime (542055043) 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, 422841 + ... + 424120.

Almost surely, 2^542055040 is an apocalyptic number.

It is an amenable number.

542055040 is an abundant number, since it is smaller than the sum of its proper divisors (753796820).

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

542055040 is an equidigital number, since it uses as much as digits as its factorization.

542055040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846980 (or 846968 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 542055040 is about 23282.0755088544. The cubic root of 542055040 is about 815.3569841391.

The spelling of 542055040 in words is "five hundred forty-two million, fifty-five thousand, forty".