547525440 has 448 divisors, whose sum is σ = 2411089920. Its totient is φ = 113633280.

The previous prime is 547525399. The next prime is 547525463. The reversal of 547525440 is 44525745.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 547525395 and 547525404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 664869 + ... + 665691.

Almost surely, 2^547525440 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 547525440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1205544960).

547525440 is an abundant number, since it is smaller than the sum of its proper divisors (1863564480).

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

547525440 is a wasteful number, since it uses less digits than its factorization.

547525440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867 (or 851 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 36.

The square root of 547525440 is about 23399.2615268089. The cubic root of 547525440 is about 818.0906597429.

The spelling of 547525440 in words is "five hundred forty-seven million, five hundred twenty-five thousand, four hundred forty".