5649026640 has 40 divisors (see below), whose sum is σ = 17511983328. Its totient is φ = 1506407040.

The previous prime is 5649026639. The next prime is 5649026651. The reversal of 5649026640 is 466209465.

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

It is a junction number, because it is equal to n+sod(n) for n = 5649026592 and 5649026601.

It is a congruent number.

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, 11768566 + ... + 11769045.

Almost surely, 2^5649026640 is an apocalyptic number.

It is an amenable number.

5649026640 is an abundant number, since it is smaller than the sum of its proper divisors (11862956688).

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

5649026640 is a wasteful number, since it uses less digits than its factorization.

5649026640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23537627 (or 23537621 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 5649026640 is about 75160.0069185734. The cubic root of 5649026640 is about 1780.9752094174.

The spelling of 5649026640 in words is "five billion, six hundred forty-nine million, twenty-six thousand, six hundred forty".