2620620432 has 80 divisors (see below), whose sum is σ = 7529904960. Its totient is φ = 872640000.

The previous prime is 2620620419. The next prime is 2620620439. The reversal of 2620620432 is 2340260262.

2620620432 is a `hidden beast` number, since 2 + 6 + 2 + 0 + 620 + 4 + 32 = 666.

2620620432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 2620620396 and 2620620405.

It is not an unprimeable number, because it can be changed into a prime (2620620439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 516307 + ... + 521357.

It is an arithmetic number, because the mean of its divisors is an integer number (94123812).

Almost surely, 2^2620620432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2620620432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3764952480).

2620620432 is an abundant number, since it is smaller than the sum of its proper divisors (4909284528).

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

2620620432 is a wasteful number, since it uses less digits than its factorization.

2620620432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6269 (or 6257 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 2620620432 is about 51191.9957805905. The cubic root of 2620620432 is about 1378.6944931428.

Adding to 2620620432 its reverse (2340260262), we get a palindrome (4960880694).

The spelling of 2620620432 in words is "two billion, six hundred twenty million, six hundred twenty thousand, four hundred thirty-two".