48158640 has 120 divisors (see below), whose sum is σ = 163011888. Its totient is φ = 12741120.

The previous prime is 48158633. The next prime is 48158659. The reversal of 48158640 is 4685184.

48158640 is a `hidden beast` number, since 4 + 8 + 1 + 5 + 8 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 48158595 and 48158604.

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, 151762 + ... + 152078.

Almost surely, 2^48158640 is an apocalyptic number.

48158640 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 48158640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81505944).

48158640 is an abundant number, since it is smaller than the sum of its proper divisors (114853248).

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

48158640 is a wasteful number, since it uses less digits than its factorization.

48158640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 48158640 is about 6939.6426420962. The cubic root of 48158640 is about 363.8240505351.

The spelling of 48158640 in words is "forty-eight million, one hundred fifty-eight thousand, six hundred forty".