542374139650 has 96 divisors (see below), whose sum is σ = 1213882306560. Its totient is φ = 176130573120.

The previous prime is 542374139639. The next prime is 542374139663. The reversal of 542374139650 is 56931473245.

It is a super-2 number, since 2×542374139650² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 542374139594 and 542374139603.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56806177 + ... + 56815723.

It is an arithmetic number, because the mean of its divisors is an integer number (12644607360).

Almost surely, 2^542374139650 is an apocalyptic number.

542374139650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

542374139650 is an abundant number, since it is smaller than the sum of its proper divisors (671508166910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542374139650 is a wasteful number, since it uses less digits than its factorization.

542374139650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18128 (or 18123 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 49.

The spelling of 542374139650 in words is "five hundred forty-two billion, three hundred seventy-four million, one hundred thirty-nine thousand, six hundred fifty".