1438028450862 has 32 divisors (see below), whose sum is σ = 2878056334080. Its totient is φ = 479009701440.

The previous prime is 1438028450849. The next prime is 1438028450867. The reversal of 1438028450862 is 2680548208341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438028450867) 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, 58993537 + ... + 59017907.

It is an arithmetic number, because the mean of its divisors is an integer number (89939260440).

Almost surely, 2^{1438028450862} is an apocalyptic number.

1438028450862 is an abundant number, since it is smaller than the sum of its proper divisors (1440027883218).

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

1438028450862 is a wasteful number, since it uses less digits than its factorization.

1438028450862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30808.

The product of its (nonzero) digits is 2949120, while the sum is 51.

The spelling of 1438028450862 in words is "one trillion, four hundred thirty-eight billion, twenty-eight million, four hundred fifty thousand, eight hundred sixty-two".