1358644224 has 352 divisors, whose sum is σ = 4489906176. Its totient is φ = 356843520.

The previous prime is 1358644213. The next prime is 1358644253. The reversal of 1358644224 is 4224468531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20278239 + ... + 20278305.

Almost surely, 2^1358644224 is an apocalyptic number.

1358644224 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 1358644224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2244953088).

1358644224 is an abundant number, since it is smaller than the sum of its proper divisors (3131261952).

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

1358644224 is a wasteful number, since it uses less digits than its factorization.

1358644224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 143 counting only the distinct ones).

The product of its digits is 184320, while the sum is 39.

The square root of 1358644224 is about 36859.7914264311. The cubic root of 1358644224 is about 1107.5633654277.

The spelling of 1358644224 in words is "one billion, three hundred fifty-eight million, six hundred forty-four thousand, two hundred twenty-four".