542442635 has 32 divisors (see below), whose sum is σ = 766993920. Its totient is φ = 360557568.

The previous prime is 542442623. The next prime is 542442661. The reversal of 542442635 is 536244245.

It is a de Polignac number, because none of the positive numbers 2^k-542442635 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a junction number, because it is equal to n+sod(n) for n = 542442595 and 542442604.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207899 + ... + 210491.

It is an arithmetic number, because the mean of its divisors is an integer number (23968560).

Almost surely, 2^542442635 is an apocalyptic number.

542442635 is a deficient number, since it is larger than the sum of its proper divisors (224551285).

542442635 is a wasteful number, since it uses less digits than its factorization.

542442635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787.

The product of its digits is 115200, while the sum is 35.

The square root of 542442635 is about 23290.3979141620. The cubic root of 542442635 is about 815.5512774438.

The spelling of 542442635 in words is "five hundred forty-two million, four hundred forty-two thousand, six hundred thirty-five".