1424863872 has 160 divisors (see below), whose sum is σ = 4322044980. Its totient is φ = 465813504.

The previous prime is 1424863837. The next prime is 1424863889. The reversal of 1424863872 is 2783684241.

It is a happy number.

1424863872 is a `hidden beast` number, since 1 + 4 + 2 + 4 + 8 + 638 + 7 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1385626176 + 39237696 = 37224^2 + 6264^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 548208 + ... + 550800.

Almost surely, 2^1424863872 is an apocalyptic number.

1424863872 is a gapful number since it is divisible by the number (12) 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 1424863872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2161022490).

1424863872 is an abundant number, since it is smaller than the sum of its proper divisors (2897181108).

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

1424863872 is an equidigital number, since it uses as much as digits as its factorization.

1424863872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672 (or 2651 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 1424863872 is about 37747.3690738838. The cubic root of 1424863872 is about 1125.2727232143.

The spelling of 1424863872 in words is "one billion, four hundred twenty-four million, eight hundred sixty-three thousand, eight hundred seventy-two".