538455456 has 144 divisors (see below), whose sum is σ = 1909147968. Its totient is φ = 139852800.

The previous prime is 538455377. The next prime is 538455473. The reversal of 538455456 is 654554835.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10036 + ... + 34316.

It is an arithmetic number, because the mean of its divisors is an integer number (13257972).

Almost surely, 2^538455456 is an apocalyptic number.

538455456 is a gapful number since it is divisible by the number (56) 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 538455456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (954573984).

538455456 is an abundant number, since it is smaller than the sum of its proper divisors (1370692512).

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

538455456 is a wasteful number, since it uses less digits than its factorization.

538455456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24315 (or 24304 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 45.

The square root of 538455456 is about 23204.6429836789. The cubic root of 538455456 is about 813.5481477441.

The spelling of 538455456 in words is "five hundred thirty-eight million, four hundred fifty-five thousand, four hundred fifty-six".