1859240404 has 24 divisors (see below), whose sum is σ = 3719421440. Its totient is φ = 796615776.

The previous prime is 1859240401. The next prime is 1859240437. The reversal of 1859240404 is 4040429581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1859240401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173062 + ... + 183490.

Almost surely, 2^1859240404 is an apocalyptic number.

1859240404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1859240404 is an abundant number, since it is smaller than the sum of its proper divisors (1860181036).

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

1859240404 is a wasteful number, since it uses less digits than its factorization.

1859240404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16807 (or 16805 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 1859240404 is about 43118.9100511597. The cubic root of 1859240404 is about 1229.6415118493.

Adding to 1859240404 its reverse (4040429581), we get a palindrome (5899669985).

It can be divided in two parts, 18592 and 40404, that added together give a triangular number (58996 = T₃₄₃).

The spelling of 1859240404 in words is "one billion, eight hundred fifty-nine million, two hundred forty thousand, four hundred four".