48789133440 has 128 divisors (see below), whose sum is σ = 156635035200. Its totient is φ = 12916764672.

The previous prime is 48789133439. The next prime is 48789133447. The reversal of 48789133440 is 4433198784.

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

It is a super-2 number, since 2×48789133440² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48789133447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175474 + ... + 358286.

Almost surely, 2^48789133440 is an apocalyptic number.

48789133440 is a gapful number since it is divisible by the number (40) 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 48789133440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78317517600).

48789133440 is an abundant number, since it is smaller than the sum of its proper divisors (107845901760).

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

48789133440 is a wasteful number, since it uses less digits than its factorization.

48789133440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182974 (or 182962 counting only the distinct ones).

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

The spelling of 48789133440 in words is "forty-eight billion, seven hundred eighty-nine million, one hundred thirty-three thousand, four hundred forty".