2663403264 has 216 divisors, whose sum is σ = 7976914400. Its totient is φ = 853991424.

The previous prime is 2663403257. The next prime is 2663403287. The reversal of 2663403264 is 4623043662.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13383837 + ... + 13384035.

Almost surely, 2^2663403264 is an apocalyptic number.

2663403264 is a gapful number since it is divisible by the number (24) 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 2663403264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3988457200).

2663403264 is an abundant number, since it is smaller than the sum of its proper divisors (5313511136).

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

2663403264 is a wasteful number, since it uses less digits than its factorization.

2663403264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The square root of 2663403264 is about 51608.1705159173. The cubic root of 2663403264 is about 1386.1566385314.

The spelling of 2663403264 in words is "two billion, six hundred sixty-three million, four hundred three thousand, two hundred sixty-four".