48198981440 has 28 divisors (see below), whose sum is σ = 114773825316. Its totient is φ = 19279592448.

The previous prime is 48198981409. The next prime is 48198981469. The reversal of 48198981440 is 4418989184.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25138736704 + 23060244736 = 158552^2 + 151856^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75310589 + ... + 75311228.

Almost surely, 2^48198981440 is an apocalyptic number.

48198981440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48198981440 is an abundant number, since it is smaller than the sum of its proper divisors (66574843876).

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

48198981440 is a wasteful number, since it uses less digits than its factorization.

48198981440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150621834 (or 150621824 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 56.

The spelling of 48198981440 in words is "forty-eight billion, one hundred ninety-eight million, nine hundred eighty-one thousand, four hundred forty".