1859416064 has 52 divisors (see below), whose sum is σ = 4056510840. Its totient is φ = 845168640.

The previous prime is 1859416063. The next prime is 1859416081. The reversal of 1859416064 is 4606149581.

It is a super-2 number, since 2×1859416064² = 6914856198122504192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1859416063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24422 + ... + 65690.

Almost surely, 2^1859416064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1859416064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2028255420).

1859416064 is an abundant number, since it is smaller than the sum of its proper divisors (2197094776).

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

1859416064 is an equidigital number, since it uses as much as digits as its factorization.

1859416064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41304 (or 41282 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 1859416064 is about 43120.9469283781. The cubic root of 1859416064 is about 1229.6802359120.

The spelling of 1859416064 in words is "one billion, eight hundred fifty-nine million, four hundred sixteen thousand, sixty-four".