42278503680 has 216 divisors, whose sum is σ = 167176568832. Its totient is φ = 9663639552.

The previous prime is 42278503667. The next prime is 42278503717. The reversal of 42278503680 is 8630587224.

42278503680 is a `hidden beast` number, since 42 + 27 + 8 + 503 + 6 + 80 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181504 + ... + 342783.

Almost surely, 2^42278503680 is an apocalyptic number.

42278503680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42278503680 is an abundant number, since it is smaller than the sum of its proper divisors (124898065152).

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

42278503680 is a wasteful number, since it uses less digits than its factorization.

42278503680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524321 (or 524304 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 42278503680 in words is "forty-two billion, two hundred seventy-eight million, five hundred three thousand, six hundred eighty".