2639874480 has 40 divisors (see below), whose sum is σ = 8183611632. Its totient is φ = 703966464.

The previous prime is 2639874467. The next prime is 2639874493. The reversal of 2639874480 is 844789362.

It is an interprime number because it is at equal distance from previous prime (2639874467) and next prime (2639874493).

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5499499 + ... + 5499978.

Almost surely, 2^2639874480 is an apocalyptic number.

2639874480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2639874480 is an abundant number, since it is smaller than the sum of its proper divisors (5543737152).

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

2639874480 is a wasteful number, since it uses less digits than its factorization.

2639874480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10999493 (or 10999487 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The square root of 2639874480 is about 51379.7088352980. The cubic root of 2639874480 is about 1382.0627417075.

The spelling of 2639874480 in words is "two billion, six hundred thirty-nine million, eight hundred seventy-four thousand, four hundred eighty".