49591828440 has 192 divisors, whose sum is σ = 200943624960. Its totient is φ = 10304789760.

The previous prime is 49591828439. The next prime is 49591828453. The reversal of 49591828440 is 4482819594.

It is a happy number.

49591828440 is a `hidden beast` number, since 4 + 9 + 591 + 8 + 2 + 8 + 4 + 40 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 866794 + ... + 922233.

It is an arithmetic number, because the mean of its divisors is an integer number (1046581380).

Almost surely, 2^49591828440 is an apocalyptic number.

49591828440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49591828440 is an abundant number, since it is smaller than the sum of its proper divisors (151351796520).

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

49591828440 is a wasteful number, since it uses less digits than its factorization.

49591828440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789062 (or 1789055 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 49591828440 in words is "forty-nine billion, five hundred ninety-one million, eight hundred twenty-eight thousand, four hundred forty".