4487739459840 has 648 divisors, whose sum is σ = 19215350481600. Its totient is φ = 946860834816.

The previous prime is 4487739459817. The next prime is 4487739459851. The reversal of 4487739459840 is 489549377844.

4487739459840 is a `hidden beast` number, since 4 + 48 + 77 + 394 + 5 + 98 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 13463511 + ... + 13792809.

Almost surely, 2^{4487739459840} is an apocalyptic number.

4487739459840 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 4487739459840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9607675240800).

4487739459840 is an abundant number, since it is smaller than the sum of its proper divisors (14727611021760).

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

4487739459840 is a wasteful number, since it uses less digits than its factorization.

4487739459840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329359 (or 329329 counting only the distinct ones).

The product of its (nonzero) digits is 975421440, while the sum is 72.

The spelling of 4487739459840 in words is "four trillion, four hundred eighty-seven billion, seven hundred thirty-nine million, four hundred fifty-nine thousand, eight hundred forty".