2623442766 has 64 divisors (see below), whose sum is σ = 6200426496. Its totient is φ = 724140000.

The previous prime is 2623442761. The next prime is 2623442777. The reversal of 2623442766 is 6672443262.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2623442761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 976461 + ... + 979143.

It is an arithmetic number, because the mean of its divisors is an integer number (96881664).

Almost surely, 2^2623442766 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2623442766, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3100213248).

2623442766 is an abundant number, since it is smaller than the sum of its proper divisors (3576983730).

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

2623442766 is a wasteful number, since it uses less digits than its factorization.

2623442766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3477.

The product of its digits is 580608, while the sum is 42.

The square root of 2623442766 is about 51219.5545275435. The cubic root of 2623442766 is about 1379.1892538809.

The spelling of 2623442766 in words is "two billion, six hundred twenty-three million, four hundred forty-two thousand, seven hundred sixty-six".