42850750542138 has 128 divisors (see below), whose sum is σ = 118880488304640. Its totient is φ = 11115084375360.

The previous prime is 42850750542091. The next prime is 42850750542191. The reversal of 42850750542138 is 83124505705824.

It is a happy number.

42850750542138 is a `hidden beast` number, since 4 + 2 + 8 + 507 + 50 + 54 + 2 + 1 + 38 = 666.

It is a super-2 number, since 2×42850750542138² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3845745 + ... + 10024532.

It is an arithmetic number, because the mean of its divisors is an integer number (928753814880).

Almost surely, 2^{42850750542138} is an apocalyptic number.

42850750542138 is an abundant number, since it is smaller than the sum of its proper divisors (76029737762502).

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

42850750542138 is a wasteful number, since it uses less digits than its factorization.

42850750542138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13871049 (or 13871043 counting only the distinct ones).

The product of its (nonzero) digits is 10752000, while the sum is 54.

The spelling of 42850750542138 in words is "forty-two trillion, eight hundred fifty billion, seven hundred fifty million, five hundred forty-two thousand, one hundred thirty-eight".