1372448448 has 252 divisors, whose sum is σ = 4748262792. Its totient is φ = 391910400.

The previous prime is 1372448431. The next prime is 1372448477. The reversal of 1372448448 is 8448442731.

It is a tau number, because it is divible by the number of its divisors (252).

It is a super-2 number, since 2×1372448448² = 3767229484835217408, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 761148 + ... + 762948.

Almost surely, 2^1372448448 is an apocalyptic number.

1372448448 is a gapful number since it is divisible by the number (18) 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 1372448448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2374131396).

1372448448 is an abundant number, since it is smaller than the sum of its proper divisors (3375814344).

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

1372448448 is an equidigital number, since it uses as much as digits as its factorization.

1372448448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842 (or 1813 counting only the distinct ones).

The product of its digits is 688128, while the sum is 45.

The square root of 1372448448 is about 37046.5713393291. The cubic root of 1372448448 is about 1111.3017889766.

The spelling of 1372448448 in words is "one billion, three hundred seventy-two million, four hundred forty-eight thousand, four hundred forty-eight".