30554448840 has 192 divisors, whose sum is σ = 105256110960. Its totient is φ = 7660339200.

The previous prime is 30554448829. The next prime is 30554448871. The reversal of 30554448840 is 4884445503.

It can be written as a sum of positive squares in 8 ways, for example, as 6205343076 + 24349105764 = 78774^2 + 156042^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7348042 + ... + 7352198.

Almost surely, 2^30554448840 is an apocalyptic number.

30554448840 is a gapful number since it is divisible by the number (30) 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 30554448840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52628055480).

30554448840 is an abundant number, since it is smaller than the sum of its proper divisors (74701662120).

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

30554448840 is a wasteful number, since it uses less digits than its factorization.

30554448840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5392 (or 5385 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 45.

The spelling of 30554448840 in words is "thirty billion, five hundred fifty-four million, four hundred forty-eight thousand, eight hundred forty".