49180220 has 12 divisors (see below), whose sum is σ = 103278504. Its totient is φ = 19672080.

The previous prime is 49180207. The next prime is 49180249. The reversal of 49180220 is 2208194.

It is a self number, because there is not a number n which added to its sum of digits gives 49180220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1229486 + ... + 1229525.

It is an arithmetic number, because the mean of its divisors is an integer number (8606542).

Almost surely, 2^49180220 is an apocalyptic number.

It is an amenable number.

49180220 is an abundant number, since it is smaller than the sum of its proper divisors (54098284).

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

49180220 is a wasteful number, since it uses less digits than its factorization.

49180220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459020 (or 2459018 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 49180220 is about 7012.8610423992. The cubic root of 49180220 is about 366.3786480155.

The spelling of 49180220 in words is "forty-nine million, one hundred eighty thousand, two hundred twenty".