2612113920 has 960 divisors, whose sum is σ = 11260529280. Its totient is φ = 573308928.

The previous prime is 2612113913. The next prime is 2612113921. The reversal of 2612113920 is 293112162.

2612113920 is a `hidden beast` number, since 2 + 61 + 211 + 392 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2612113921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 137479671 + ... + 137479689.

It is an arithmetic number, because the mean of its divisors is an integer number (11729718).

Almost surely, 2^2612113920 is an apocalyptic number.

2612113920 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 2612113920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5630264640).

2612113920 is an abundant number, since it is smaller than the sum of its proper divisors (8648415360).

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

2612113920 is a wasteful number, since it uses less digits than its factorization.

2612113920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2612113920 is about 51108.8438530945. The cubic root of 2612113920 is about 1377.2011325662.

The spelling of 2612113920 in words is "two billion, six hundred twelve million, one hundred thirteen thousand, nine hundred twenty".