2333465640 has 144 divisors (see below), whose sum is σ = 8336027700. Its totient is φ = 565678080.

The previous prime is 2333465633. The next prime is 2333465663. The reversal of 2333465640 is 465643332.

2333465640 is a `hidden beast` number, since 2 + 3 + 3 + 3 + 4 + 6 + 5 + 640 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2128345956 + 205119684 = 46134^2 + 14322^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2333465595 and 2333465604.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16776 + ... + 70344.

Almost surely, 2^2333465640 is an apocalyptic number.

2333465640 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 2333465640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4168013850).

2333465640 is an abundant number, since it is smaller than the sum of its proper divisors (6002562060).

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

2333465640 is a wasteful number, since it uses less digits than its factorization.

2333465640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53608 (or 53590 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

The square root of 2333465640 is about 48305.9586386607. The cubic root of 2333465640 is about 1326.3774714819.

It can be divided in two parts, 23334656 and 40, that added together give a triangular number (23334696 = T₆₈₃₁).

The spelling of 2333465640 in words is "two billion, three hundred thirty-three million, four hundred sixty-five thousand, six hundred forty".