49837440 has 128 divisors (see below), whose sum is σ = 161053920. Its totient is φ = 13107200.

The previous prime is 49837423. The next prime is 49837441. The reversal of 49837440 is 4473894.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49837441) 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, 193792 + ... + 194048.

Almost surely, 2^49837440 is an apocalyptic number.

49837440 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 49837440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80526960).

49837440 is an abundant number, since it is smaller than the sum of its proper divisors (111216480).

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

49837440 is a wasteful number, since it uses less digits than its factorization.

49837440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 49837440 is about 7059.5637258969. The cubic root of 49837440 is about 368.0034656258.

The spelling of 49837440 in words is "forty-nine million, eight hundred thirty-seven thousand, four hundred forty".