1401122448 has 180 divisors, whose sum is σ = 4460745744. Its totient is φ = 422236800.

The previous prime is 1401122423. The next prime is 1401122467. The reversal of 1401122448 is 8442211041.

1401122448 is a `hidden beast` number, since 1 + 401 + 12 + 244 + 8 = 666.

It is a super-2 number, since 2×1401122448² = 3926288228579025408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 7740918 + ... + 7741098.

Almost surely, 2^1401122448 is an apocalyptic number.

1401122448 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 1401122448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2230372872).

1401122448 is an abundant number, since it is smaller than the sum of its proper divisors (3059623296).

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

1401122448 is an equidigital number, since it uses as much as digits as its factorization.

1401122448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 1401122448 is about 37431.5702048418. The cubic root of 1401122448 is about 1118.9878313047.

Adding to 1401122448 its reverse (8442211041), we get a palindrome (9843333489).

The spelling of 1401122448 in words is "one billion, four hundred one million, one hundred twenty-two thousand, four hundred forty-eight".