1479744090 has 144 divisors (see below), whose sum is σ = 4478206824. Its totient is φ = 337582080.

The previous prime is 1479744083. The next prime is 1479744127. The reversal of 1479744090 is 904479741.

It can be written as a sum of positive squares in 4 ways, for example, as 1065173769 + 414570321 = 32637^2 + 20361^2 .

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

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, 181134 + ... + 189126.

Almost surely, 2^1479744090 is an apocalyptic number.

1479744090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1479744090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2239103412).

1479744090 is an abundant number, since it is smaller than the sum of its proper divisors (2998462734).

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

1479744090 is a wasteful number, since it uses less digits than its factorization.

1479744090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8045 (or 8031 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 1479744090 is about 38467.4419477043. The cubic root of 1479744090 is about 1139.5381554866.

The spelling of 1479744090 in words is "one billion, four hundred seventy-nine million, seven hundred forty-four thousand, ninety".