10405231543140 has 96 divisors (see below), whose sum is σ = 33297529192704. Its totient is φ = 2378282334720.

The previous prime is 10405231543123. The next prime is 10405231543169. The reversal of 10405231543140 is 4134513250401.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18974482 + ... + 19515158.

It is an arithmetic number, because the mean of its divisors is an integer number (346849262424).

Almost surely, 2^{10405231543140} is an apocalyptic number.

10405231543140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10405231543140 is an abundant number, since it is smaller than the sum of its proper divisors (22892297649564).

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

10405231543140 is a wasteful number, since it uses less digits than its factorization.

10405231543140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586517 (or 586515 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 10405231543140 its reverse (4134513250401), we get a palindrome (14539744793541).

The spelling of 10405231543140 in words is "ten trillion, four hundred five billion, two hundred thirty-one million, five hundred forty-three thousand, one hundred forty".