1424367644 has 96 divisors (see below), whose sum is σ = 3165474816. Its totient is φ = 546416640.

The previous prime is 1424367601. The next prime is 1424367653. The reversal of 1424367644 is 4467634241.

It is a super-2 number, since 2×1424367644² = 4057646370548221472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3076157 + ... + 3076619.

It is an arithmetic number, because the mean of its divisors is an integer number (32973696).

Almost surely, 2^1424367644 is an apocalyptic number.

1424367644 is a gapful number since it is divisible by the number (14) 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 1424367644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1582737408).

1424367644 is an abundant number, since it is smaller than the sum of its proper divisors (1741107172).

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

1424367644 is a wasteful number, since it uses less digits than its factorization.

1424367644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 793 counting only the distinct ones).

The product of its digits is 387072, while the sum is 41.

The square root of 1424367644 is about 37740.7954871118. The cubic root of 1424367644 is about 1125.1420775952.

The spelling of 1424367644 in words is "one billion, four hundred twenty-four million, three hundred sixty-seven thousand, six hundred forty-four".