1854413418 has 64 divisors (see below), whose sum is σ = 4381663104. Its totient is φ = 515808000.

The previous prime is 1854413411. The next prime is 1854413441. The reversal of 1854413418 is 8143144581.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1854413411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149328 + ... + 161268.

It is an arithmetic number, because the mean of its divisors is an integer number (68463486).

Almost surely, 2^1854413418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1854413418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2190831552).

1854413418 is an abundant number, since it is smaller than the sum of its proper divisors (2527249686).

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

1854413418 is a wasteful number, since it uses less digits than its factorization.

1854413418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12151.

The product of its digits is 61440, while the sum is 39.

The square root of 1854413418 is about 43062.9007151167. The cubic root of 1854413418 is about 1228.5764520990.

Adding to 1854413418 its reverse (8143144581), we get a palindrome (9997557999).

The spelling of 1854413418 in words is "one billion, eight hundred fifty-four million, four hundred thirteen thousand, four hundred eighteen".