5436896640 has 128 divisors (see below), whose sum is σ = 19805886720. Its totient is φ = 1242716160.

The previous prime is 5436896629. The next prime is 5436896671. The reversal of 5436896640 is 466986345.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188826 + ... + 215705.

It is an arithmetic number, because the mean of its divisors is an integer number (154733490).

Almost surely, 2^5436896640 is an apocalyptic number.

It is an amenable number.

5436896640 is an abundant number, since it is smaller than the sum of its proper divisors (14368990080).

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

5436896640 is a wasteful number, since it uses less digits than its factorization.

5436896640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404560 (or 404548 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 51.

The square root of 5436896640 is about 73735.3147413097. The cubic root of 5436896640 is about 1758.3973703134.

The spelling of 5436896640 in words is "five billion, four hundred thirty-six million, eight hundred ninety-six thousand, six hundred forty".