49159660 has 48 divisors (see below), whose sum is σ = 114200352. Its totient is φ = 17625600.

The previous prime is 49159651. The next prime is 49159661. The reversal of 49159660 is 6695194.

It is not an unprimeable number, because it can be changed into a prime (49159661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14530 + ... + 17590.

It is an arithmetic number, because the mean of its divisors is an integer number (2379174).

Almost surely, 2^49159660 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 49159660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57100176).

49159660 is an abundant number, since it is smaller than the sum of its proper divisors (65040692).

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

49159660 is a wasteful number, since it uses less digits than its factorization.

49159660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154 (or 3152 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 49159660 is about 7011.3950109803. The cubic root of 49159660 is about 366.3275855156.

The spelling of 49159660 in words is "forty-nine million, one hundred fifty-nine thousand, six hundred sixty".