49856040 has 256 divisors, whose sum is σ = 185068800. Its totient is φ = 11860992.

The previous prime is 49856039. The next prime is 49856047. The reversal of 49856040 is 4065894.

49856040 is a `hidden beast` number, since 4 + 98 + 560 + 4 + 0 = 666.

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 = 49855986 and 49856004.

It is not an unprimeable number, because it can be changed into a prime (49856047) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 744087 + ... + 744153.

It is an arithmetic number, because the mean of its divisors is an integer number (722925).

Almost surely, 2^49856040 is an apocalyptic number.

49856040 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 49856040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92534400).

49856040 is an abundant number, since it is smaller than the sum of its proper divisors (135212760).

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

49856040 is a wasteful number, since it uses less digits than its factorization.

49856040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 49856040 is about 7060.8809648655. The cubic root of 49856040 is about 368.0492412054.

It can be divided in two parts, 4985 and 6040, that added together give a square (11025 = 105²).

The spelling of 49856040 in words is "forty-nine million, eight hundred fifty-six thousand, forty".