2235531840 has 112 divisors (see below), whose sum is σ = 7171285632. Its totient is φ = 589971456.

The previous prime is 2235531827. The next prime is 2235531853. The reversal of 2235531840 is 481355322.

It is an interprime number because it is at equal distance from previous prime (2235531827) and next prime (2235531853).

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, 81117 + ... + 105123.

It is an arithmetic number, because the mean of its divisors is an integer number (64029336).

Almost surely, 2^2235531840 is an apocalyptic number.

2235531840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2235531840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3585642816).

2235531840 is an abundant number, since it is smaller than the sum of its proper divisors (4935753792).

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

2235531840 is a wasteful number, since it uses less digits than its factorization.

2235531840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24124 (or 24114 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 2235531840 is about 47281.4111464537. The cubic root of 2235531840 is about 1307.5559659539. Note that the first 3 decimals are identical.

The spelling of 2235531840 in words is "two billion, two hundred thirty-five million, five hundred thirty-one thousand, eight hundred forty".