49944220 has 12 divisors (see below), whose sum is σ = 104882904. Its totient is φ = 19977680.

The previous prime is 49944203. The next prime is 49944227. The reversal of 49944220 is 2244994.

It is a super-2 number, since 2×49944220² = 4988850222816800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49944227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1248586 + ... + 1248625.

It is an arithmetic number, because the mean of its divisors is an integer number (8740242).

Almost surely, 2^49944220 is an apocalyptic number.

It is an amenable number.

49944220 is an abundant number, since it is smaller than the sum of its proper divisors (54938684).

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

49944220 is a wasteful number, since it uses less digits than its factorization.

49944220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497220 (or 2497218 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 49944220 is about 7067.1224695770. The cubic root of 49944220 is about 368.2661020365.

The spelling of 49944220 in words is "forty-nine million, nine hundred forty-four thousand, two hundred twenty".