49284040 has 32 divisors (see below), whose sum is σ = 119420280. Its totient is φ = 18196992.

The previous prime is 49284031. The next prime is 49284047. The reversal of 49284040 is 4048294.

It can be written as a sum of positive squares in 4 ways, for example, as 21215236 + 28068804 = 4606^2 + 5298^2 .

It is a junction number, because it is equal to n+sod(n) for n = 49283993 and 49284011.

It is not an unprimeable number, because it can be changed into a prime (49284047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46869 + ... + 47908.

Almost surely, 2^49284040 is an apocalyptic number.

49284040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49284040 is an abundant number, since it is smaller than the sum of its proper divisors (70136240).

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

49284040 is a wasteful number, since it uses less digits than its factorization.

49284040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94801 (or 94797 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 49284040 is about 7020.2592544720. The cubic root of 49284040 is about 366.6362766365.

It can be divided in two parts, 492840 and 40, that multiplied together give a square (19713600 = 4440²).

The spelling of 49284040 in words is "forty-nine million, two hundred eighty-four thousand, forty".