49214440 has 64 divisors (see below), whose sum is σ = 124104960. Its totient is φ = 17406720.

The previous prime is 49214423. The next prime is 49214447. The reversal of 49214440 is 4441294.

It is a super-2 number, since 2×49214440² = 4844122209027200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49214399 and 49214408.

It is not an unprimeable number, because it can be changed into a prime (49214447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14769 + ... + 17791.

It is an arithmetic number, because the mean of its divisors is an integer number (1939140).

Almost surely, 2^49214440 is an apocalyptic number.

49214440 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 49214440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62052480).

49214440 is an abundant number, since it is smaller than the sum of its proper divisors (74890520).

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

49214440 is a wasteful number, since it uses less digits than its factorization.

49214440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3082 (or 3078 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 49214440 is about 7015.3004212222. The cubic root of 49214440 is about 366.4636047357.

The spelling of 49214440 in words is "forty-nine million, two hundred fourteen thousand, four hundred forty".