48811840 has 168 divisors, whose sum is σ = 148023072. Its totient is φ = 15160320.

The previous prime is 48811813. The next prime is 48811877. The reversal of 48811840 is 4811884.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 48811796 and 48811805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172339 + ... + 172621.

Almost surely, 2^48811840 is an apocalyptic number.

48811840 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 48811840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74011536).

48811840 is an abundant number, since it is smaller than the sum of its proper divisors (99211232).

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

48811840 is a wasteful number, since it uses less digits than its factorization.

48811840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 34.

The square root of 48811840 is about 6986.5470727678. The cubic root of 48811840 is about 365.4615790485.

The spelling of 48811840 in words is "forty-eight million, eight hundred eleven thousand, eight hundred forty".