2663234040 has 128 divisors (see below), whose sum is σ = 8154432000. Its totient is φ = 695643648.

The previous prime is 2663234039. The next prime is 2663234117. The reversal of 2663234040 is 404323662.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2663233989 and 2663234007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2753637 + ... + 2754603.

It is an arithmetic number, because the mean of its divisors is an integer number (63706500).

Almost surely, 2^2663234040 is an apocalyptic number.

2663234040 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 2663234040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4077216000).

2663234040 is an abundant number, since it is smaller than the sum of its proper divisors (5491197960).

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

2663234040 is a wasteful number, since it uses less digits than its factorization.

2663234040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429 (or 1425 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 2663234040 is about 51606.5309820375. The cubic root of 2663234040 is about 1386.1272806115.

The spelling of 2663234040 in words is "two billion, six hundred sixty-three million, two hundred thirty-four thousand, forty".