1424324772 has 144 divisors (see below), whose sum is σ = 4085198208. Its totient is φ = 415134720.

The previous prime is 1424324711. The next prime is 1424324773. The reversal of 1424324772 is 2774234241.

1424324772 is a `hidden beast` number, since 142 + 43 + 2 + 477 + 2 = 666.

It is a super-2 number, since 2×1424324772² = 4057402112265703968, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1424324773) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1215747 + ... + 1216917.

It is an arithmetic number, because the mean of its divisors is an integer number (28369432).

Almost surely, 2^1424324772 is an apocalyptic number.

1424324772 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 1424324772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2042599104).

1424324772 is an abundant number, since it is smaller than the sum of its proper divisors (2660873436).

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

1424324772 is a wasteful number, since it uses less digits than its factorization.

1424324772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330 (or 1325 counting only the distinct ones).

The product of its digits is 75264, while the sum is 36.

The square root of 1424324772 is about 37740.2275032888. The cubic root of 1424324772 is about 1125.1307889425.

The spelling of 1424324772 in words is "one billion, four hundred twenty-four million, three hundred twenty-four thousand, seven hundred seventy-two".