1043631673140 has 288 divisors, whose sum is σ = 3590402586624. Its totient is φ = 221805250560.

The previous prime is 1043631673127. The next prime is 1043631673141. The reversal of 1043631673140 is 413761363401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043631673141) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10022745 + ... + 10126335.

It is an arithmetic number, because the mean of its divisors is an integer number (12466675648).

Almost surely, 2^{1043631673140} is an apocalyptic number.

1043631673140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1043631673140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1795201293312).

1043631673140 is an abundant number, since it is smaller than the sum of its proper divisors (2546770913484).

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

1043631673140 is a wasteful number, since it uses less digits than its factorization.

1043631673140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103727 (or 103708 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 1043631673140 in words is "one trillion, forty-three billion, six hundred thirty-one million, six hundred seventy-three thousand, one hundred forty".