260252454 has 64 divisors (see below), whose sum is σ = 650944512. Its totient is φ = 67389600.

The previous prime is 260252453. The next prime is 260252491. The reversal of 260252454 is 454252062.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260252453) 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 31 ways as a sum of consecutive naturals, for example, 198469 + ... + 199775.

It is an arithmetic number, because the mean of its divisors is an integer number (10171008).

Almost surely, 2^260252454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260252454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325472256).

260252454 is an abundant number, since it is smaller than the sum of its proper divisors (390692058).

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

260252454 is a wasteful number, since it uses less digits than its factorization.

260252454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 260252454 is about 16132.3418634741. The cubic root of 260252454 is about 638.4569385415.

The spelling of 260252454 in words is "two hundred sixty million, two hundred fifty-two thousand, four hundred fifty-four".