49033440 has 144 divisors (see below), whose sum is σ = 177257808. Its totient is φ = 12300288.

The previous prime is 49033421. The next prime is 49033451. The reversal of 49033440 is 4433094.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23479 + ... + 25481.

It is an arithmetic number, because the mean of its divisors is an integer number (1230957).

Almost surely, 2^49033440 is an apocalyptic number.

49033440 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 49033440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88628904).

49033440 is an abundant number, since it is smaller than the sum of its proper divisors (128224368).

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

49033440 is a wasteful number, since it uses less digits than its factorization.

49033440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041 (or 2030 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 49033440 is about 7002.3881640480. The cubic root of 49033440 is about 366.0137950547.

It can be divided in two parts, 490 and 33440, that added together give a triangular number (33930 = T₂₆₀).

The spelling of 49033440 in words is "forty-nine million, thirty-three thousand, four hundred forty".