49696840 has 16 divisors (see below), whose sum is σ = 111817980. Its totient is φ = 19878720.

The previous prime is 49696819. The next prime is 49696841. The reversal of 49696840 is 4869694.

It can be written as a sum of positive squares in 2 ways, for example, as 46867716 + 2829124 = 6846^2 + 1682^2 .

It is not an unprimeable number, because it can be changed into a prime (49696841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621171 + ... + 621250.

Almost surely, 2^49696840 is an apocalyptic number.

49696840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49696840 is an abundant number, since it is smaller than the sum of its proper divisors (62121140).

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

49696840 is a wasteful number, since it uses less digits than its factorization.

49696840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242432 (or 1242428 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 49696840 is about 7049.5985701315. The cubic root of 49696840 is about 367.6570726283.

It can be divided in two parts, 496 and 96840, that added together give a cube (97336 = 46³).

The spelling of 49696840 in words is "forty-nine million, six hundred ninety-six thousand, eight hundred forty".