2648373840 has 320 divisors, whose sum is σ = 10576465920. Its totient is φ = 596574720.

The previous prime is 2648373821. The next prime is 2648373853. The reversal of 2648373840 is 483738462.

2648373840 is a `hidden beast` number, since 26 + 483 + 73 + 84 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1072287 + ... + 1074753.

It is an arithmetic number, because the mean of its divisors is an integer number (33051456).

Almost surely, 2^2648373840 is an apocalyptic number.

2648373840 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 2648373840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5288232960).

2648373840 is an abundant number, since it is smaller than the sum of its proper divisors (7928092080).

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

2648373840 is a wasteful number, since it uses less digits than its factorization.

2648373840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567 (or 2555 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The square root of 2648373840 is about 51462.3536189320. The cubic root of 2648373840 is about 1383.5443859852.

The spelling of 2648373840 in words is "two billion, six hundred forty-eight million, three hundred seventy-three thousand, eight hundred forty".