538380400 has 30 divisors (see below), whose sum is σ = 1293459872. Its totient is φ = 215352000.

The previous prime is 538380373. The next prime is 538380407. The reversal of 538380400 is 4083835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538380407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 672576 + ... + 673375.

Almost surely, 2^538380400 is an apocalyptic number.

538380400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

538380400 is an abundant number, since it is smaller than the sum of its proper divisors (755079472).

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

538380400 is a wasteful number, since it uses less digits than its factorization.

538380400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345969 (or 1345958 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 538380400 is about 23203.0256647705. The cubic root of 538380400 is about 813.5103454793.

The spelling of 538380400 in words is "five hundred thirty-eight million, three hundred eighty thousand, four hundred".