54721300440 has 128 divisors (see below), whose sum is σ = 169646929920. Its totient is φ = 14120703360.

The previous prime is 54721300427. The next prime is 54721300441. The reversal of 54721300440 is 4400312745.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 54721300398 and 54721300407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54721300441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3567267 + ... + 3582573.

It is an arithmetic number, because the mean of its divisors is an integer number (1325366640).

Almost surely, 2^54721300440 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 54721300440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84823464960).

54721300440 is an abundant number, since it is smaller than the sum of its proper divisors (114925629480).

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

54721300440 is a wasteful number, since it uses less digits than its factorization.

54721300440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15414 (or 15348 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The spelling of 54721300440 in words is "fifty-four billion, seven hundred twenty-one million, three hundred thousand, four hundred forty".