1347229440 has 216 divisors, whose sum is σ = 4720781520. Its totient is φ = 354680832.

The previous prime is 1347229417. The next prime is 1347229487. The reversal of 1347229440 is 449227431.

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

It is a junction number, because it is equal to n+sod(n) for n = 1347229395 and 1347229404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 955456 + ... + 956864.

It is an arithmetic number, because the mean of its divisors is an integer number (21855470).

Almost surely, 2^1347229440 is an apocalyptic number.

1347229440 is a gapful number since it is divisible by the number (10) 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 1347229440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2360390760).

1347229440 is an abundant number, since it is smaller than the sum of its proper divisors (3373552080).

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

1347229440 is a wasteful number, since it uses less digits than its factorization.

1347229440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519 (or 1502 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 1347229440 is about 36704.6242318322. The cubic root of 1347229440 is about 1104.4528702840.

The spelling of 1347229440 in words is "one billion, three hundred forty-seven million, two hundred twenty-nine thousand, four hundred forty".