48453440 has 112 divisors (see below), whose sum is σ = 133819392. Its totient is φ = 16367616.

The previous prime is 48453409. The next prime is 48453467. The reversal of 48453440 is 4435484.

48453440 = T₂₂₅ + T₂₂₆ + ... + T₆₇₀.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-4 number, since 4×48453440⁴ (a number of 32 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 48453397 and 48453406.

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, 217169 + ... + 217391.

It is an arithmetic number, because the mean of its divisors is an integer number (1194816).

Almost surely, 2^48453440 is an apocalyptic number.

48453440 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 48453440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66909696).

48453440 is an abundant number, since it is smaller than the sum of its proper divisors (85365952).

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

48453440 is a wasteful number, since it uses less digits than its factorization.

48453440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 48453440 is about 6960.8505227450. The cubic root of 48453440 is about 364.5649159966.

The spelling of 48453440 in words is "forty-eight million, four hundred fifty-three thousand, four hundred forty".