1438285072 has 40 divisors (see below), whose sum is σ = 3186599616. Its totient is φ = 616054656.

The previous prime is 1438285063. The next prime is 1438285129. The reversal of 1438285072 is 2705828341.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316158 + ... + 320674.

Almost surely, 2^1438285072 is an apocalyptic number.

It is an amenable number.

1438285072 is an abundant number, since it is smaller than the sum of its proper divisors (1748314544).

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

1438285072 is a wasteful number, since it uses less digits than its factorization.

1438285072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7375 (or 7369 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 1438285072 is about 37924.7290300142. The cubic root of 1438285072 is about 1128.7947762963.

The spelling of 1438285072 in words is "one billion, four hundred thirty-eight million, two hundred eighty-five thousand, seventy-two".