49003040 has 96 divisors (see below), whose sum is σ = 122472000. Its totient is φ = 18500608.

The previous prime is 49003007. The next prime is 49003049. The reversal of 49003040 is 4030094.

49003040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (49003049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273671 + ... + 273849.

It is an arithmetic number, because the mean of its divisors is an integer number (1275750).

Almost surely, 2^49003040 is an apocalyptic number.

49003040 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 49003040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61236000).

49003040 is an abundant number, since it is smaller than the sum of its proper divisors (73468960).

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

49003040 is a wasteful number, since it uses less digits than its factorization.

49003040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 49003040 is about 7000.2171394893. The cubic root of 49003040 is about 365.9381383896.

The spelling of 49003040 in words is "forty-nine million, three thousand, forty".