1324990464 has 120 divisors (see below), whose sum is σ = 4038991488. Its totient is φ = 378470400.

The previous prime is 1324990453. The next prime is 1324990477. The reversal of 1324990464 is 4640994231.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342139 + ... + 345989.

Almost surely, 2^1324990464 is an apocalyptic number.

1324990464 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 1324990464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2019495744).

1324990464 is an abundant number, since it is smaller than the sum of its proper divisors (2714001024).

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

1324990464 is an frugal number, since it uses more digits than its factorization.

1324990464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3889 (or 3863 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 1324990464 is about 36400.4184591331. The cubic root of 1324990464 is about 1098.3419825857.

The spelling of 1324990464 in words is "one billion, three hundred twenty-four million, nine hundred ninety thousand, four hundred sixty-four".