1418747920 has 80 divisors (see below), whose sum is σ = 3500133120. Its totient is φ = 532969472.

The previous prime is 1418747873. The next prime is 1418747921. The reversal of 1418747920 is 297478141.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (1418747921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 895449 + ... + 897031.

It is an arithmetic number, because the mean of its divisors is an integer number (43751664).

Almost surely, 2^1418747920 is an apocalyptic number.

1418747920 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 1418747920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1750066560).

1418747920 is an abundant number, since it is smaller than the sum of its proper divisors (2081385200).

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

1418747920 is a wasteful number, since it uses less digits than its factorization.

1418747920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272 (or 2266 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 1418747920 is about 37666.2703223985. The cubic root of 1418747920 is about 1123.6604091402.

The spelling of 1418747920 in words is "one billion, four hundred eighteen million, seven hundred forty-seven thousand, nine hundred twenty".