938231000440 has 32 divisors (see below), whose sum is σ = 2111060070000. Its totient is φ = 375285232384.

The previous prime is 938231000437. The next prime is 938231000503. The reversal of 938231000440 is 44000132839.

It is a super-3 number, since 3×938231000440³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 938231000396 and 938231000405.

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, 2227836 + ... + 2615284.

Almost surely, 2^938231000440 is an apocalyptic number.

938231000440 is the 484312-nd decagonal number.

It is an amenable number.

938231000440 is an abundant number, since it is smaller than the sum of its proper divisors (1172829069560).

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

938231000440 is a wasteful number, since it uses less digits than its factorization.

938231000440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447999 (or 447995 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 938231000440 in words is "nine hundred thirty-eight billion, two hundred thirty-one million, four hundred forty", and thus it is an aban number.