1308427344 has 200 divisors, whose sum is σ = 4353560640. Its totient is φ = 371630592.

The previous prime is 1308427333. The next prime is 1308427361. The reversal of 1308427344 is 4437248031.

1308427344 is a `hidden beast` number, since 1 + 308 + 4 + 2 + 7 + 344 = 666.

It is a super-2 number, since 2×1308427344² = 3423964229053788672, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 1308427299 and 1308427308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2113467 + ... + 2114085.

Almost surely, 2^1308427344 is an apocalyptic number.

1308427344 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 1308427344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2176780320).

1308427344 is an abundant number, since it is smaller than the sum of its proper divisors (3045133296).

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

1308427344 is a wasteful number, since it uses less digits than its factorization.

1308427344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 1308427344 is about 36172.1902018664. The cubic root of 1308427344 is about 1093.7461497160.

The spelling of 1308427344 in words is "one billion, three hundred eight million, four hundred twenty-seven thousand, three hundred forty-four".