2366696640 has 448 divisors, whose sum is σ = 9491033088. Its totient is φ = 485376000.

The previous prime is 2366696623. The next prime is 2366696653. The reversal of 2366696640 is 466966632.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2366696640.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7465762 + ... + 7466078.

Almost surely, 2^2366696640 is an apocalyptic number.

2366696640 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 2366696640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4745516544).

2366696640 is an abundant number, since it is smaller than the sum of its proper divisors (7124336448).

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

2366696640 is a wasteful number, since it uses less digits than its factorization.

2366696640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 48.

The square root of 2366696640 is about 48648.7064576233. The cubic root of 2366696640 is about 1332.6441527228.

The spelling of 2366696640 in words is "two billion, three hundred sixty-six million, six hundred ninety-six thousand, six hundred forty".