2521087926 has 96 divisors (see below), whose sum is σ = 6004513152. Its totient is φ = 703422720.

The previous prime is 2521087889. The next prime is 2521087949. The reversal of 2521087926 is 6297801252.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 2579950 + ... + 2580926.

It is an arithmetic number, because the mean of its divisors is an integer number (62547012).

Almost surely, 2^2521087926 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2521087926, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3002256576).

2521087926 is an abundant number, since it is smaller than the sum of its proper divisors (3483425226).

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

2521087926 is a wasteful number, since it uses less digits than its factorization.

2521087926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194 (or 1187 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 2521087926 is about 50210.4364251099. The cubic root of 2521087926 is about 1361.0142243477.

The spelling of 2521087926 in words is "two billion, five hundred twenty-one million, eighty-seven thousand, nine hundred twenty-six".