2587495392 has 144 divisors (see below), whose sum is σ = 7769034000. Its totient is φ = 814620672.

The previous prime is 2587495367. The next prime is 2587495399. The reversal of 2587495392 is 2935947852.

2587495392 is a `hidden beast` number, since 2 + 587 + 4 + 9 + 53 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2587495399) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2784784 + ... + 2785712.

It is an arithmetic number, because the mean of its divisors is an integer number (53951625).

Almost surely, 2^2587495392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2587495392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3884517000).

2587495392 is an abundant number, since it is smaller than the sum of its proper divisors (5181538608).

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

2587495392 is a wasteful number, since it uses less digits than its factorization.

2587495392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473 (or 1462 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 2587495392 is about 50867.4295792504. The cubic root of 2587495392 is about 1372.8608751756.

The spelling of 2587495392 in words is "two billion, five hundred eighty-seven million, four hundred ninety-five thousand, three hundred ninety-two".