548958213972 has 144 divisors (see below), whose sum is σ = 1614289797120. Its totient is φ = 154040429376.

The previous prime is 548958213961. The next prime is 548958214009. The reversal of 548958213972 is 279312859845.

548958213972 is a `hidden beast` number, since 5 + 48 + 9 + 582 + 1 + 3 + 9 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 16144533 + ... + 16178499.

Almost surely, 2^548958213972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 548958213972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (807144898560).

548958213972 is an abundant number, since it is smaller than the sum of its proper divisors (1065331583148).

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

548958213972 is a wasteful number, since it uses less digits than its factorization.

548958213972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35130 (or 35125 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 63.

The spelling of 548958213972 in words is "five hundred forty-eight billion, nine hundred fifty-eight million, two hundred thirteen thousand, nine hundred seventy-two".