1479127644 has 72 divisors (see below), whose sum is σ = 3887524368. Its totient is φ = 473806080.

The previous prime is 1479127633. The next prime is 1479127669. The reversal of 1479127644 is 4467219741.

It is a self number, because there is not a number n which added to its sum of digits gives 1479127644.

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, 91414 + ... + 106370.

It is an arithmetic number, because the mean of its divisors is an integer number (53993394).

Almost surely, 2^1479127644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1479127644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1943762184).

1479127644 is an abundant number, since it is smaller than the sum of its proper divisors (2408396724).

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

1479127644 is a wasteful number, since it uses less digits than its factorization.

1479127644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15075 (or 15070 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 1479127644 is about 38459.4285448965. The cubic root of 1479127644 is about 1139.3798935927.

The spelling of 1479127644 in words is "one billion, four hundred seventy-nine million, one hundred twenty-seven thousand, six hundred forty-four".