2669041620 has 144 divisors (see below), whose sum is σ = 9502915968. Its totient is φ = 593568000.

The previous prime is 2669041607. The next prime is 2669041637. The reversal of 2669041620 is 261409662.

2669041620 is a `hidden beast` number, since 26 + 6 + 9 + 0 + 4 + 1 + 620 = 666.

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 47 ways as a sum of consecutive naturals, for example, 17995 + ... + 75245.

It is an arithmetic number, because the mean of its divisors is an integer number (65992472).

Almost surely, 2^2669041620 is an apocalyptic number.

2669041620 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 2669041620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4751457984).

2669041620 is an abundant number, since it is smaller than the sum of its proper divisors (6833874348).

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

2669041620 is a wasteful number, since it uses less digits than its factorization.

2669041620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57310 (or 57305 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 2669041620 is about 51662.7682185150. The cubic root of 2669041620 is about 1387.1341017155.

The spelling of 2669041620 in words is "two billion, six hundred sixty-nine million, forty-one thousand, six hundred twenty".