1448020686 has 32 divisors (see below), whose sum is σ = 3316140288. Its totient is φ = 412922880.

The previous prime is 1448020669. The next prime is 1448020687. The reversal of 1448020686 is 6860208441.

1448020686 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1448020686³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1448020687) 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, 10995 + ... + 54926.

It is an arithmetic number, because the mean of its divisors is an integer number (103629384).

Almost surely, 2^1448020686 is an apocalyptic number.

1448020686 is an abundant number, since it is smaller than the sum of its proper divisors (1868119602).

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

1448020686 is a wasteful number, since it uses less digits than its factorization.

1448020686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66456.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 1448020686 is about 38052.8669879156. The cubic root of 1448020686 is about 1131.3359525017.

The spelling of 1448020686 in words is "one billion, four hundred forty-eight million, twenty thousand, six hundred eighty-six".