1448036690 has 8 divisors (see below), whose sum is σ = 2606466060. Its totient is φ = 579214672.

The previous prime is 1448036669. The next prime is 1448036701. The reversal of 1448036690 is 966308441.

It can be written as a sum of positive squares in 2 ways, for example, as 1325469649 + 122567041 = 36407^2 + 11071^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1448036690² = 4193620511172312200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72401825 + ... + 72401844.

Almost surely, 2^1448036690 is an apocalyptic number.

1448036690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1448036690 is a deficient number, since it is larger than the sum of its proper divisors (1158429370).

1448036690 is a wasteful number, since it uses less digits than its factorization.

1448036690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144803676.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 1448036690 is about 38053.0772737239. The cubic root of 1448036690 is about 1131.3401204518.

The spelling of 1448036690 in words is "one billion, four hundred forty-eight million, thirty-six thousand, six hundred ninety".