542827690 has 16 divisors (see below), whose sum is σ = 980896392. Its totient is φ = 216285184.

The previous prime is 542827687. The next prime is 542827693. The reversal of 542827690 is 96728245.

It is an interprime number because it is at equal distance from previous prime (542827687) and next prime (542827693).

It can be written as a sum of positive squares in 4 ways, for example, as 541911841 + 915849 = 23279^2 + 957^2 .

It is a super-2 number, since 2×542827690² = 589323802061472200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (542827693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103039 + ... + 108178.

Almost surely, 2^542827690 is an apocalyptic number.

542827690 is a deficient number, since it is larger than the sum of its proper divisors (438068702).

542827690 is a wasteful number, since it uses less digits than its factorization.

542827690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211481.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 542827690 is about 23298.6628371673. The cubic root of 542827690 is about 815.7442058756.

The spelling of 542827690 in words is "five hundred forty-two million, eight hundred twenty-seven thousand, six hundred ninety".