1438084450 has 24 divisors (see below), whose sum is σ = 2918005200. Its totient is φ = 522939600.

The previous prime is 1438084441. The next prime is 1438084493. The reversal of 1438084450 is 544808341.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1306800 + ... + 1307899.

It is an arithmetic number, because the mean of its divisors is an integer number (121583550).

Almost surely, 2^1438084450 is an apocalyptic number.

1438084450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1438084450 is an abundant number, since it is smaller than the sum of its proper divisors (1479920750).

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

1438084450 is a wasteful number, since it uses less digits than its factorization.

1438084450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614722 (or 2614717 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 1438084450 is about 37922.0839353536. The cubic root of 1438084450 is about 1128.7422898084.

The spelling of 1438084450 in words is "one billion, four hundred thirty-eight million, eighty-four thousand, four hundred fifty".