49180840 has 16 divisors (see below), whose sum is σ = 110656980. Its totient is φ = 19672320.

The previous prime is 49180819. The next prime is 49180861. The reversal of 49180840 is 4808194.

49180840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (49180819) and next prime (49180861).

It can be written as a sum of positive squares in 2 ways, for example, as 43217476 + 5963364 = 6574^2 + 2442^2 .

It is a junction number, because it is equal to n+sod(n) for n = 49180796 and 49180805.

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 3 ways as a sum of consecutive naturals, for example, 614721 + ... + 614800.

Almost surely, 2^49180840 is an apocalyptic number.

49180840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49180840 is an abundant number, since it is smaller than the sum of its proper divisors (61476140).

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

49180840 is a wasteful number, since it uses less digits than its factorization.

49180840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229532 (or 1229528 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 49180840 is about 7012.9052467576. The cubic root of 49180840 is about 366.3801876169.

The spelling of 49180840 in words is "forty-nine million, one hundred eighty thousand, eight hundred forty".