1854727842 has 32 divisors (see below), whose sum is σ = 4086759744. Its totient is φ = 556472000.

The previous prime is 1854727813. The next prime is 1854727859. The reversal of 1854727842 is 2487274581.

It is a junction number, because it is equal to n+sod(n) for n = 1854727791 and 1854727800.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132453 + ... + 145784.

It is an arithmetic number, because the mean of its divisors is an integer number (127711242).

Almost surely, 2^1854727842 is an apocalyptic number.

1854727842 is an abundant number, since it is smaller than the sum of its proper divisors (2232031902).

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

1854727842 is a wasteful number, since it uses less digits than its factorization.

1854727842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278354.

The product of its digits is 1003520, while the sum is 48.

The square root of 1854727842 is about 43066.5513130550. The cubic root of 1854727842 is about 1228.6458850327.

The spelling of 1854727842 in words is "one billion, eight hundred fifty-four million, seven hundred twenty-seven thousand, eight hundred forty-two".