42228115029720 has 64 divisors (see below), whose sum is σ = 140760383436000. Its totient is φ = 11260830674304.

The previous prime is 42228115029703. The next prime is 42228115029731. The reversal of 42228115029720 is 2792051182224.

42228115029720 is a `hidden beast` number, since 4 + 2 + 2 + 28 + 11 + 502 + 97 + 20 = 666.

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 (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19550052175 + ... + 19550054334.

Almost surely, 2^{42228115029720} is an apocalyptic number.

42228115029720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42228115029720 is an abundant number, since it is smaller than the sum of its proper divisors (98532268406280).

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

42228115029720 is a wasteful number, since it uses less digits than its factorization.

42228115029720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39100106529 (or 39100106519 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 42228115029720 in words is "forty-two trillion, two hundred twenty-eight billion, one hundred fifteen million, twenty-nine thousand, seven hundred twenty".