2662232440 has 64 divisors (see below), whose sum is σ = 6864076800. Its totient is φ = 910320768.

The previous prime is 2662232413. The next prime is 2662232449. The reversal of 2662232440 is 442322662.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2662232449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93577 + ... + 118663.

It is an arithmetic number, because the mean of its divisors is an integer number (107251200).

Almost surely, 2^2662232440 is an apocalyptic number.

2662232440 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 2662232440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3432038400).

2662232440 is an abundant number, since it is smaller than the sum of its proper divisors (4201844360).

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

2662232440 is a wasteful number, since it uses less digits than its factorization.

2662232440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25484 (or 25480 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 2662232440 is about 51596.8258713654. The cubic root of 2662232440 is about 1385.9534920091.

The spelling of 2662232440 in words is "two billion, six hundred sixty-two million, two hundred thirty-two thousand, four hundred forty".