42107053878550 has 48 divisors (see below), whose sum is σ = 83257428661200. Its totient is φ = 15798373488000.

The previous prime is 42107053878541. The next prime is 42107053878577. The reversal of 42107053878550 is 5587835070124.

It is a happy number.

It is a super-2 number, since 2×42107053878550² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42107053878491 and 42107053878500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 219325905 + ... + 219517804.

It is an arithmetic number, because the mean of its divisors is an integer number (1734529763775).

Almost surely, 2^{42107053878550} is an apocalyptic number.

42107053878550 is a deficient number, since it is larger than the sum of its proper divisors (41150374782650).

42107053878550 is a wasteful number, since it uses less digits than its factorization.

42107053878550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438843841 (or 438843836 counting only the distinct ones).

The product of its (nonzero) digits is 9408000, while the sum is 55.

The spelling of 42107053878550 in words is "forty-two trillion, one hundred seven billion, fifty-three million, eight hundred seventy-eight thousand, five hundred fifty".