542061772403650 has 24 divisors (see below), whose sum is σ = 1008940449565620. Its totient is φ = 216672977156160.

The previous prime is 542061772403611. The next prime is 542061772403699. The reversal of 542061772403650 is 56304277160245.

It can be written as a sum of positive squares in 6 ways, for example, as 231071404267089 + 310990368136561 = 15201033^2 + 17634919^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3793222969 + ... + 3793365868.

Almost surely, 2^{542061772403650} is an apocalyptic number.

542061772403650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

542061772403650 is a deficient number, since it is larger than the sum of its proper divisors (466878677161970).

542061772403650 is a wasteful number, since it uses less digits than its factorization.

542061772403650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7586590278 (or 7586590273 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 542061772403650 in words is "five hundred forty-two trillion, sixty-one billion, seven hundred seventy-two million, four hundred three thousand, six hundred fifty".