48319440 has 160 divisors (see below), whose sum is σ = 170989056. Its totient is φ = 11182080.

The previous prime is 48319393. The next prime is 48319441. The reversal of 48319440 is 4491384.

It is a happy number.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48319441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52585 + ... + 53495.

Almost surely, 2^48319440 is an apocalyptic number.

48319440 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 48319440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85494528).

48319440 is an abundant number, since it is smaller than the sum of its proper divisors (122669616).

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

48319440 is a wasteful number, since it uses less digits than its factorization.

48319440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957 (or 951 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 48319440 is about 6951.2185982028. The cubic root of 48319440 is about 364.2285325746.

The spelling of 48319440 in words is "forty-eight million, three hundred nineteen thousand, four hundred forty".