49178560 has 56 divisors (see below), whose sum is σ = 117719856. Its totient is φ = 19568640.

The previous prime is 49178509. The next prime is 49178561. The reversal of 49178560 is 6587194.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49178561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99915 + ... + 100405.

Almost surely, 2^49178560 is an apocalyptic number.

49178560 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 49178560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58859928).

49178560 is an abundant number, since it is smaller than the sum of its proper divisors (68541296).

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

49178560 is a wasteful number, since it uses less digits than its factorization.

49178560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 49178560 is about 7012.7426874227. The cubic root of 49178560 is about 366.3745257932.

The spelling of 49178560 in words is "forty-nine million, one hundred seventy-eight thousand, five hundred sixty".