538401480 has 128 divisors (see below), whose sum is σ = 1774310400. Its totient is φ = 130090752.

The previous prime is 538401469. The next prime is 538401529. The reversal of 538401480 is 84104835.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47307 + ... + 57573.

It is an arithmetic number, because the mean of its divisors is an integer number (13861800).

Almost surely, 2^538401480 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 538401480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (887155200).

538401480 is an abundant number, since it is smaller than the sum of its proper divisors (1235908920).

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

538401480 is a wasteful number, since it uses less digits than its factorization.

538401480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10323 (or 10319 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 538401480 is about 23203.4799114271. The cubic root of 538401480 is about 813.5209628633.

The spelling of 538401480 in words is "five hundred thirty-eight million, four hundred one thousand, four hundred eighty".