487021388400 has 960 divisors, whose sum is σ = 1850050160640. Its totient is φ = 121521254400.

The previous prime is 487021388351. The next prime is 487021388411. The reversal of 487021388400 is 4883120784.

487021388400 is a `hidden beast` number, since 48 + 70 + 2 + 138 + 8 + 400 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1156820190 + ... + 1156820610.

It is an arithmetic number, because the mean of its divisors is an integer number (1927135584).

Almost surely, 2^487021388400 is an apocalyptic number.

487021388400 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 487021388400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (925025080320).

487021388400 is an abundant number, since it is smaller than the sum of its proper divisors (1363028772240).

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

487021388400 is a wasteful number, since it uses less digits than its factorization.

487021388400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 487021388400 in words is "four hundred eighty-seven billion, twenty-one million, three hundred eighty-eight thousand, four hundred".