49883440 has 80 divisors (see below), whose sum is σ = 125804448. Its totient is φ = 18321408.

The previous prime is 49883411. The next prime is 49883461. The reversal of 49883440 is 4438894.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 49883393 and 49883402.

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, 58054 + ... + 58906.

Almost surely, 2^49883440 is an apocalyptic number.

49883440 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 49883440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62902224).

49883440 is an abundant number, since it is smaller than the sum of its proper divisors (75921008).

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

49883440 is a wasteful number, since it uses less digits than its factorization.

49883440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926 (or 920 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 49883440 is about 7062.8209661579. The cubic root of 49883440 is about 368.1166533140.

It can be divided in two parts, 498 and 83440, that added together give a palindrome (83938).

The spelling of 49883440 in words is "forty-nine million, eight hundred eighty-three thousand, four hundred forty".