1801234864 has 80 divisors (see below), whose sum is σ = 4341284640. Its totient is φ = 711290880.

The previous prime is 1801234861. The next prime is 1801234867. The reversal of 1801234864 is 4684321081.

It is an interprime number because it is at equal distance from previous prime (1801234861) and next prime (1801234867).

It is a super-3 number, since 3×1801234864³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1801234861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15742 + ... + 62050.

It is an arithmetic number, because the mean of its divisors is an integer number (54266058).

Almost surely, 2^1801234864 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 1801234864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2170642320).

1801234864 is an abundant number, since it is smaller than the sum of its proper divisors (2540049776).

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

1801234864 is a wasteful number, since it uses less digits than its factorization.

1801234864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46358 (or 46352 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 1801234864 is about 42440.9573878818. The cubic root of 1801234864 is about 1216.7185093149.

The spelling of 1801234864 in words is "one billion, eight hundred one million, two hundred thirty-four thousand, eight hundred sixty-four".