1424644620 has 144 divisors (see below), whose sum is σ = 4668759648. Its totient is φ = 323635200.

The previous prime is 1424644597. The next prime is 1424644687. The reversal of 1424644620 is 264464241.

1424644620 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1424644620² = 4059224586589888800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 507220 + ... + 510020.

It is an arithmetic number, because the mean of its divisors is an integer number (32421942).

Almost surely, 2^1424644620 is an apocalyptic number.

1424644620 is a gapful number since it is divisible by the number (10) 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 1424644620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2334379824).

1424644620 is an abundant number, since it is smaller than the sum of its proper divisors (3244115028).

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

1424644620 is a wasteful number, since it uses less digits than its factorization.

1424644620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000 (or 2991 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 1424644620 is about 37744.4647597499. The cubic root of 1424644620 is about 1125.2150028580.

The spelling of 1424644620 in words is "one billion, four hundred twenty-four million, six hundred forty-four thousand, six hundred twenty".