2235523440 has 40 divisors (see below), whose sum is σ = 6930123408. Its totient is φ = 596139520.

The previous prime is 2235523417. The next prime is 2235523481. The reversal of 2235523440 is 443255322.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2235523398 and 2235523407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4657101 + ... + 4657580.

Almost surely, 2^2235523440 is an apocalyptic number.

2235523440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2235523440 is an abundant number, since it is smaller than the sum of its proper divisors (4694599968).

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

2235523440 is a wasteful number, since it uses less digits than its factorization.

2235523440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9314697 (or 9314691 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 2235523440 is about 47281.3223165343. The cubic root of 2235523440 is about 1307.5543282401.

Adding to 2235523440 its reverse (443255322), we get a palindrome (2678778762).

The spelling of 2235523440 in words is "two billion, two hundred thirty-five million, five hundred twenty-three thousand, four hundred forty".