48490512840 has 1024 divisors, whose sum is σ = 209129472000. Its totient is φ = 9785318400.

The previous prime is 48490512823. The next prime is 48490512859. The reversal of 48490512840 is 4821509484.

48490512840 is a `hidden beast` number, since 4 + 8 + 4 + 90 + 512 + 8 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 255 ways as a sum of consecutive naturals, for example, 613803921 + ... + 613803999.

It is an arithmetic number, because the mean of its divisors is an integer number (204228000).

Almost surely, 2^48490512840 is an apocalyptic number.

48490512840 is a gapful number since it is divisible by the number (40) 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 48490512840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104564736000).

48490512840 is an abundant number, since it is smaller than the sum of its proper divisors (160638959160).

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

48490512840 is a wasteful number, since it uses less digits than its factorization.

48490512840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 48490512840 in words is "forty-eight billion, four hundred ninety million, five hundred twelve thousand, eight hundred forty".