2622466640 has 40 divisors (see below), whose sum is σ = 6418145760. Its totient is φ = 993776256.

The previous prime is 2622466577. The next prime is 2622466681. The reversal of 2622466640 is 466642262.

It is a happy number.

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 (38).

It is a junction number, because it is equal to n+sod(n) for n = 2622466594 and 2622466603.

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, 861134 + ... + 864173.

It is an arithmetic number, because the mean of its divisors is an integer number (160453644).

Almost surely, 2^2622466640 is an apocalyptic number.

2622466640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2622466640 is an abundant number, since it is smaller than the sum of its proper divisors (3795679120).

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

2622466640 is a wasteful number, since it uses less digits than its factorization.

2622466640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725339 (or 1725333 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The square root of 2622466640 is about 51210.0247998378. The cubic root of 2622466640 is about 1379.0181772187.

The spelling of 2622466640 in words is "two billion, six hundred twenty-two million, four hundred sixty-six thousand, six hundred forty".