539551761448 has 64 divisors (see below), whose sum is σ = 1178967179520. Its totient is φ = 226723968000.

The previous prime is 539551761433. The next prime is 539551761449. The reversal of 539551761448 is 844167155935.

It is a super-2 number, since 2×539551761448² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 539551761392 and 539551761401.

It is not an unprimeable number, because it can be changed into a prime (539551761449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119488 + ... + 1045648.

It is an arithmetic number, because the mean of its divisors is an integer number (18421362180).

Almost surely, 2^539551761448 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 539551761448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589483589760).

539551761448 is an abundant number, since it is smaller than the sum of its proper divisors (639415418072).

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

539551761448 is a wasteful number, since it uses less digits than its factorization.

539551761448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926378 (or 926374 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 58.

The spelling of 539551761448 in words is "five hundred thirty-nine billion, five hundred fifty-one million, seven hundred sixty-one thousand, four hundred forty-eight".