49190040 has 96 divisors (see below), whose sum is σ = 161488080. Its totient is φ = 12984576.

The previous prime is 49190039. The next prime is 49190051. The reversal of 49190040 is 4009194.

49190040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 49189986 and 49190013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37882 + ... + 39158.

Almost surely, 2^49190040 is an apocalyptic number.

49190040 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 49190040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80744040).

49190040 is an abundant number, since it is smaller than the sum of its proper divisors (112298040).

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

49190040 is a wasteful number, since it uses less digits than its factorization.

49190040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401 (or 1394 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 49190040 is about 7013.5611496586. The cubic root of 49190040 is about 366.4030317948.

The spelling of 49190040 in words is "forty-nine million, one hundred ninety thousand, forty".