2523789450 has 144 divisors (see below), whose sum is σ = 8345465856. Its totient is φ = 532483200.

The previous prime is 2523789449. The next prime is 2523789479. The reversal of 2523789450 is 549873252.

2523789450 is a `hidden beast` number, since 2 + 523 + 7 + 89 + 45 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 2523789396 and 2523789405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10135 + ... + 71765.

It is an arithmetic number, because the mean of its divisors is an integer number (57954624).

Almost surely, 2^2523789450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2523789450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4172732928).

2523789450 is an abundant number, since it is smaller than the sum of its proper divisors (5821676406).

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

2523789450 is a wasteful number, since it uses less digits than its factorization.

2523789450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61669 (or 61661 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 2523789450 is about 50237.3312388308. The cubic root of 2523789450 is about 1361.5001918029.

The spelling of 2523789450 in words is "two billion, five hundred twenty-three million, seven hundred eighty-nine thousand, four hundred fifty".