2592878640 has 80 divisors (see below), whose sum is σ = 8768653056. Its totient is φ = 628576000.

The previous prime is 2592878633. The next prime is 2592878699. The reversal of 2592878640 is 468782952.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488436 + ... + 493715.

Almost surely, 2^2592878640 is an apocalyptic number.

2592878640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2592878640 is an abundant number, since it is smaller than the sum of its proper divisors (6175774416).

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

2592878640 is a wasteful number, since it uses less digits than its factorization.

2592878640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982178 (or 982172 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 2592878640 is about 50920.3165740356. The cubic root of 2592878640 is about 1373.8122883009.

The spelling of 2592878640 in words is "two billion, five hundred ninety-two million, eight hundred seventy-eight thousand, six hundred forty".