2662231440 has 80 divisors (see below), whose sum is σ = 9003191616. Its totient is φ = 645388800.

The previous prime is 2662231409. The next prime is 2662231447. The reversal of 2662231440 is 441322662.

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

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 = 2662231398 and 2662231407.

It is not an unprimeable number, because it can be changed into a prime (2662231447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501571 + ... + 506850.

Almost surely, 2^2662231440 is an apocalyptic number.

2662231440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2662231440 is an abundant number, since it is smaller than the sum of its proper divisors (6340960176).

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

2662231440 is a wasteful number, since it uses less digits than its factorization.

2662231440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008448 (or 1008442 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 2662231440 is about 51596.8161808459. The cubic root of 2662231440 is about 1385.9533184763.

The spelling of 2662231440 in words is "two billion, six hundred sixty-two million, two hundred thirty-one thousand, four hundred forty".