542051490 has 64 divisors (see below), whose sum is σ = 1328343552. Its totient is φ = 141523200.

The previous prime is 542051459. The next prime is 542051509. The reversal of 542051490 is 94150245.

542051490 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×542051490² = 587639635622440200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 495384 + ... + 496476.

It is an arithmetic number, because the mean of its divisors is an integer number (20755368).

Almost surely, 2^542051490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542051490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (664171776).

542051490 is an abundant number, since it is smaller than the sum of its proper divisors (786292062).

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

542051490 is a wasteful number, since it uses less digits than its factorization.

542051490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 542051490 is about 23281.9992698222. Note that the first 3 decimals coincide. The cubic root of 542051490 is about 815.3552041700.

The spelling of 542051490 in words is "five hundred forty-two million, fifty-one thousand, four hundred ninety".