542044651634 has 16 divisors (see below), whose sum is σ = 829145719872. Its totient is φ = 265671854448.

The previous prime is 542044651579. The next prime is 542044651649. The reversal of 542044651634 is 436156440245.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2157734 + ... + 2395809.

It is an arithmetic number, because the mean of its divisors is an integer number (51821607492).

Almost surely, 2^542044651634 is an apocalyptic number.

542044651634 is a deficient number, since it is larger than the sum of its proper divisors (287101068238).

542044651634 is a wasteful number, since it uses less digits than its factorization.

542044651634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4554721.

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 542044651634 in words is "five hundred forty-two billion, forty-four million, six hundred fifty-one thousand, six hundred thirty-four".