49943040 has 160 divisors (see below), whose sum is σ = 182666880. Its totient is φ = 11403264.

The previous prime is 49943027. The next prime is 49943057. The reversal of 49943040 is 4034994.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (160).

It is a junction number, because it is equal to n+sod(n) for n = 49942992 and 49943010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53296 + ... + 54224.

It is an arithmetic number, because the mean of its divisors is an integer number (1141668).

Almost surely, 2^49943040 is an apocalyptic number.

49943040 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 49943040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91333440).

49943040 is an abundant number, since it is smaller than the sum of its proper divisors (132723840).

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

49943040 is an equidigital number, since it uses as much as digits as its factorization.

49943040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 49943040 is about 7067.0389839027. The cubic root of 49943040 is about 368.2632017515.

The spelling of 49943040 in words is "forty-nine million, nine hundred forty-three thousand, forty".