2573635440 has 160 divisors (see below), whose sum is σ = 8564291136. Its totient is φ = 637009920.

The previous prime is 2573635433. The next prime is 2573635453. The reversal of 2573635440 is 445363752.

2573635440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293520 + ... + 302160.

Almost surely, 2^2573635440 is an apocalyptic number.

2573635440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2573635440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4282145568).

2573635440 is an abundant number, since it is smaller than the sum of its proper divisors (5990655696).

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

2573635440 is a wasteful number, since it uses less digits than its factorization.

2573635440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8747 (or 8741 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 39.

The square root of 2573635440 is about 50731.0106345222. The cubic root of 2573635440 is about 1370.4052364721.

The spelling of 2573635440 in words is "two billion, five hundred seventy-three million, six hundred thirty-five thousand, four hundred forty".