2646539448 has 32 divisors (see below), whose sum is σ = 7561541760. Its totient is φ = 756154080.

The previous prime is 2646539443. The next prime is 2646539479. The reversal of 2646539448 is 8449356462.

It is a self number, because there is not a number n which added to its sum of digits gives 2646539448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646539443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7876438 + ... + 7876773.

It is an arithmetic number, because the mean of its divisors is an integer number (236298180).

Almost surely, 2^2646539448 is an apocalyptic number.

2646539448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2646539448 is an abundant number, since it is smaller than the sum of its proper divisors (4915002312).

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

2646539448 is a wasteful number, since it uses less digits than its factorization.

2646539448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15753227 (or 15753223 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 51.

The square root of 2646539448 is about 51444.5278722626. The cubic root of 2646539448 is about 1383.2248755858.

The spelling of 2646539448 in words is "two billion, six hundred forty-six million, five hundred thirty-nine thousand, four hundred forty-eight".