49499826840 has 128 divisors (see below), whose sum is σ = 174705336000. Its totient is φ = 12423481344.

The previous prime is 49499826839. The next prime is 49499826851. The reversal of 49499826840 is 4862899494.

49499826840 is a `hidden beast` number, since 4 + 9 + 499 + 82 + 68 + 4 + 0 = 666.

49499826840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1329675 + ... + 1366394.

Almost surely, 2^49499826840 is an apocalyptic number.

49499826840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49499826840 is an abundant number, since it is smaller than the sum of its proper divisors (125205509160).

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

49499826840 is a wasteful number, since it uses less digits than its factorization.

49499826840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696106 (or 2696096 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 63.

The spelling of 49499826840 in words is "forty-nine billion, four hundred ninety-nine million, eight hundred twenty-six thousand, eight hundred forty".