1448356420 has 48 divisors (see below), whose sum is σ = 3527959680. Its totient is φ = 489164544.

The previous prime is 1448356409. The next prime is 1448356423. The reversal of 1448356420 is 246538441.

It is a self number, because there is not a number n which added to its sum of digits gives 1448356420.

It is not an unprimeable number, because it can be changed into a prime (1448356423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67825 + ... + 86584.

It is an arithmetic number, because the mean of its divisors is an integer number (73499160).

Almost surely, 2^1448356420 is an apocalyptic number.

1448356420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1448356420 is an abundant number, since it is smaller than the sum of its proper divisors (2079603260).

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

1448356420 is a wasteful number, since it uses less digits than its factorization.

1448356420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154492 (or 154490 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 1448356420 is about 38057.2781475502. The cubic root of 1448356420 is about 1131.4233818681.

The spelling of 1448356420 in words is "one billion, four hundred forty-eight million, three hundred fifty-six thousand, four hundred twenty".