487544400 has 240 divisors, whose sum is σ = 1983504000. Its totient is φ = 111421440.

The previous prime is 487544399. The next prime is 487544401. The reversal of 487544400 is 4445784.

It is an interprime number because it is at equal distance from previous prime (487544399) and next prime (487544401).

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487544401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72376 + ... + 78824.

It is an arithmetic number, because the mean of its divisors is an integer number (8264600).

Almost surely, 2^487544400 is an apocalyptic number.

487544400 is a gapful number since it is divisible by the number (40) 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 487544400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (991752000).

487544400 is an abundant number, since it is smaller than the sum of its proper divisors (1495959600).

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

487544400 is a wasteful number, since it uses less digits than its factorization.

487544400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6483 (or 6466 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 487544400 is about 22080.4076049334. The cubic root of 487544400 is about 787.0543510279.

The spelling of 487544400 in words is "four hundred eighty-seven million, five hundred forty-four thousand, four hundred".