1438007152 has 40 divisors (see below), whose sum is σ = 2980496736. Its totient is φ = 669720576.

The previous prime is 1438007147. The next prime is 1438007167. The reversal of 1438007152 is 2517008341.

It is a super-2 number, since 2×1438007152² = 4135729138406302208, which contains 22 as substring.

It is a congruent 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, 868 + ... + 53635.

Almost surely, 2^1438007152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1438007152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1490248368).

1438007152 is an abundant number, since it is smaller than the sum of its proper divisors (1542489584).

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

1438007152 is a wasteful number, since it uses less digits than its factorization.

1438007152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54625 (or 54619 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1438007152 is about 37921.0647529839. The cubic root of 1438007152 is about 1128.7220658953.

The spelling of 1438007152 in words is "one billion, four hundred thirty-eight million, seven thousand, one hundred fifty-two".