49140648 has 64 divisors (see below), whose sum is σ = 138196800. Its totient is φ = 16176960.

The previous prime is 49140643. The next prime is 49140677. The reversal of 49140648 is 84604194.

It is a happy number.

49140648 is a `hidden beast` number, since 4 + 9 + 1 + 4 + 0 + 648 = 666.

It is a super-3 number, since 3×49140648³ (a number of 24 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (49140643) 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, 16558 + ... + 19298.

It is an arithmetic number, because the mean of its divisors is an integer number (2159325).

Almost surely, 2^49140648 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 49140648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69098400).

49140648 is an abundant number, since it is smaller than the sum of its proper divisors (89056152).

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

49140648 is a wasteful number, since it uses less digits than its factorization.

49140648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839 (or 2829 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 49140648 is about 7010.0390869096. The cubic root of 49140648 is about 366.2803549334.

The spelling of 49140648 in words is "forty-nine million, one hundred forty thousand, six hundred forty-eight".