542740546 has 32 divisors (see below), whose sum is σ = 846486000. Its totient is φ = 260858880.

The previous prime is 542740501. The next prime is 542740553. The reversal of 542740546 is 645047245.

It can be written as a sum of positive squares in 8 ways, for example, as 144937521 + 397803025 = 12039^2 + 19945^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1326790 + ... + 1327198.

Almost surely, 2^542740546 is an apocalyptic number.

542740546 is a deficient number, since it is larger than the sum of its proper divisors (303745454).

542740546 is a wasteful number, since it uses less digits than its factorization.

542740546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694.

The product of its (nonzero) digits is 134400, while the sum is 37.

The square root of 542740546 is about 23296.7926118597. The cubic root of 542740546 is about 815.7005511280.

The spelling of 542740546 in words is "five hundred forty-two million, seven hundred forty thousand, five hundred forty-six".