49931255808 has 576 divisors, whose sum is σ = 176579601120. Its totient is φ = 13313507328.

The previous prime is 49931255807. The next prime is 49931255809. The reversal of 49931255808 is 80855213994.

49931255808 is a `hidden beast` number, since 4 + 9 + 9 + 31 + 25 + 580 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (49931255807) and next prime (49931255809).

It is a tau number, because it is divible by the number of its divisors (576).

It is not an unprimeable number, because it can be changed into a prime (49931255807) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 745242591 + ... + 745242657.

Almost surely, 2^49931255808 is an apocalyptic number.

49931255808 is a gapful number since it is divisible by the number (48) 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 49931255808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88289800560).

49931255808 is an abundant number, since it is smaller than the sum of its proper divisors (126648345312).

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

49931255808 is an equidigital number, since it uses as much as digits as its factorization.

49931255808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 49931255808 in words is "forty-nine billion, nine hundred thirty-one million, two hundred fifty-five thousand, eight hundred eight".