2481520626 has 144 divisors (see below), whose sum is σ = 6074557632. Its totient is φ = 731203200.

The previous prime is 2481520621. The next prime is 2481520663. The reversal of 2481520626 is 6260251842.

It is a happy number.

2481520626 is a `hidden beast` number, since 2 + 4 + 8 + 1 + 5 + 20 + 626 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2481520621) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7979011 + ... + 7979321.

It is an arithmetic number, because the mean of its divisors is an integer number (42184428).

Almost surely, 2^2481520626 is an apocalyptic number.

2481520626 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2481520626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3037278816).

2481520626 is an abundant number, since it is smaller than the sum of its proper divisors (3593037006).

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

2481520626 is a wasteful number, since it uses less digits than its factorization.

2481520626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 2481520626 is about 49814.8635047814. The cubic root of 2481520626 is about 1353.8564856141.

The spelling of 2481520626 in words is "two billion, four hundred eighty-one million, five hundred twenty thousand, six hundred twenty-six".