542000402 has 8 divisors (see below), whose sum is σ = 832830012. Its totient is φ = 264390400.

The previous prime is 542000377. The next prime is 542000413. The reversal of 542000402 is 204000245.

It can be written as a sum of positive squares in 2 ways, for example, as 539214841 + 2785561 = 23221^2 + 1669^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3304799 + ... + 3304962.

Almost surely, 2^542000402 is an apocalyptic number.

542000402 is a deficient number, since it is larger than the sum of its proper divisors (290829610).

542000402 is a wasteful number, since it uses less digits than its factorization.

542000402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6609804.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 542000402 is about 23280.9020873333. The cubic root of 542000402 is about 815.3295877995.

Adding to 542000402 its reverse (204000245), we get a palindrome (746000647).

The spelling of 542000402 in words is "five hundred forty-two million, four hundred two", and thus it is an aban number.