49440812 has 12 divisors (see below), whose sum is σ = 91075320. Its totient is φ = 23419296.

The previous prime is 49440799. The next prime is 49440821. The reversal of 49440812 is 21804494.

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, 325193 + ... + 325344.

It is an arithmetic number, because the mean of its divisors is an integer number (7589610).

Almost surely, 2^49440812 is an apocalyptic number.

It is an amenable number.

49440812 is a deficient number, since it is larger than the sum of its proper divisors (41634508).

49440812 is a wasteful number, since it uses less digits than its factorization.

49440812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650560 (or 650558 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 49440812 is about 7031.4160735943. The cubic root of 49440812 is about 367.0246205025.

It can be divided in two parts, 49440 and 812, that multiplied together give a triangular number (40145280 = T₈₉₆₀).

The spelling of 49440812 in words is "forty-nine million, four hundred forty thousand, eight hundred twelve".