4271815842 has 16 divisors (see below), whose sum is σ = 9764150592. Its totient is φ = 1220518800.

The previous prime is 4271815837. The next prime is 4271815897. The reversal of 4271815842 is 2485181724.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 101709901 = 4271815842 / (4 + 2 + 7 + 1 + 8 + 1 + 5 + 8 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 4271815794 and 4271815803.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50854909 + ... + 50854992.

It is an arithmetic number, because the mean of its divisors is an integer number (610259412).

Almost surely, 2^4271815842 is an apocalyptic number.

4271815842 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4271815842 is an abundant number, since it is smaller than the sum of its proper divisors (5492334750).

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

4271815842 is a wasteful number, since it uses less digits than its factorization.

4271815842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101709913.

The product of its digits is 143360, while the sum is 42.

The square root of 4271815842 is about 65359.1297524684. The cubic root of 4271815842 is about 1622.5727349490.

The spelling of 4271815842 in words is "four billion, two hundred seventy-one million, eight hundred fifteen thousand, eight hundred forty-two".