2353211440 has 80 divisors (see below), whose sum is σ = 5556974688. Its totient is φ = 926650368.

The previous prime is 2353211437. The next prime is 2353211461. The reversal of 2353211440 is 441123532.

It is a tau number, because it is divible by the number of its divisors (80).

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, 1472722 + ... + 1474318.

Almost surely, 2^2353211440 is an apocalyptic number.

2353211440 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 2353211440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2778487344).

2353211440 is an abundant number, since it is smaller than the sum of its proper divisors (3203763248).

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

2353211440 is a wasteful number, since it uses less digits than its factorization.

2353211440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886 (or 1880 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2353211440 is about 48509.9107399715. The cubic root of 2353211440 is about 1330.1082392547.

Adding to 2353211440 its reverse (441123532), we get a palindrome (2794334972).

The spelling of 2353211440 in words is "two billion, three hundred fifty-three million, two hundred eleven thousand, four hundred forty".