2626338780 has 72 divisors (see below), whose sum is σ = 8579380992. Its totient is φ = 646482816.

The previous prime is 2626338731. The next prime is 2626338797. The reversal of 2626338780 is 878336262.

2626338780 is a `hidden beast` number, since 2 + 6 + 2 + 633 + 8 + 7 + 8 + 0 = 666.

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 (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 558844 + ... + 563523.

Almost surely, 2^2626338780 is an apocalyptic number.

2626338780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2626338780 is an abundant number, since it is smaller than the sum of its proper divisors (5953042212).

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

2626338780 is a wasteful number, since it uses less digits than its factorization.

2626338780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122395 (or 1122390 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 2626338780 is about 51247.8173193747. The cubic root of 2626338780 is about 1379.6965621437.

The spelling of 2626338780 in words is "two billion, six hundred twenty-six million, three hundred thirty-eight thousand, seven hundred eighty".