1448269632 has 140 divisors (see below), whose sum is σ = 4311058180. Its totient is φ = 480743424.

The previous prime is 1448269621. The next prime is 1448269639. The reversal of 1448269632 is 2369628441.

1448269632 is a `hidden beast` number, since 1 + 4 + 4 + 8 + 2 + 6 + 9 + 632 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 606341376 + 841928256 = 24624^2 + 29016^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1448269639) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1746594 + ... + 1747422.

Almost surely, 2^1448269632 is an apocalyptic number.

1448269632 is a gapful number since it is divisible by the number (12) 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 1448269632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2155529090).

1448269632 is an abundant number, since it is smaller than the sum of its proper divisors (2862788548).

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

1448269632 is an equidigital number, since it uses as much as digits as its factorization.

1448269632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190 (or 1171 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 1448269632 is about 38056.1379017892. The cubic root of 1448269632 is about 1131.4007824737.

The spelling of 1448269632 in words is "one billion, four hundred forty-eight million, two hundred sixty-nine thousand, six hundred thirty-two".