49858380 has 216 divisors, whose sum is σ = 179852400. Its totient is φ = 11082240.

The previous prime is 49858357. The next prime is 49858381. The reversal of 49858380 is 8385894.

49858380 is a `hidden beast` number, since 498 + 5 + 83 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (49858381) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 334546 + ... + 334694.

It is an arithmetic number, because the mean of its divisors is an integer number (832650).

Almost surely, 2^49858380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49858380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89926200).

49858380 is an abundant number, since it is smaller than the sum of its proper divisors (129994020).

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

49858380 is a wasteful number, since it uses less digits than its factorization.

49858380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 49858380 is about 7061.0466646242. The cubic root of 49858380 is about 368.0549992624.

The spelling of 49858380 in words is "forty-nine million, eight hundred fifty-eight thousand, three hundred eighty".