2467664640 has 432 divisors, whose sum is σ = 9917945856. Its totient is φ = 554803200.

The previous prime is 2467664621. The next prime is 2467664651. The reversal of 2467664640 is 464667642.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5725225 + ... + 5725655.

It is an arithmetic number, because the mean of its divisors is an integer number (22958208).

Almost surely, 2^2467664640 is an apocalyptic number.

2467664640 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 2467664640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4958972928).

2467664640 is an abundant number, since it is smaller than the sum of its proper divisors (7450281216).

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

2467664640 is a wasteful number, since it uses less digits than its factorization.

2467664640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 45.

The square root of 2467664640 is about 49675.5940075204. The cubic root of 2467664640 is about 1351.3319529104.

The spelling of 2467664640 in words is "two billion, four hundred sixty-seven million, six hundred sixty-four thousand, six hundred forty".