105400743492 has 24 divisors (see below), whose sum is σ = 268292801952. Its totient is φ = 31939619200.

The previous prime is 105400743479. The next prime is 105400743493. The reversal of 105400743492 is 294347004501.

It is a super-2 number, since 2×105400743492² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105400743492.

It is not an unprimeable number, because it can be changed into a prime (105400743493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399245109 + ... + 399245372.

It is an arithmetic number, because the mean of its divisors is an integer number (11178866748).

Almost surely, 2^105400743492 is an apocalyptic number.

105400743492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105400743492 is an abundant number, since it is smaller than the sum of its proper divisors (162892058460).

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

105400743492 is a wasteful number, since it uses less digits than its factorization.

105400743492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798490499 (or 798490497 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

Adding to 105400743492 its reverse (294347004501), we get a palindrome (399747747993).

The spelling of 105400743492 in words is "one hundred five billion, four hundred million, seven hundred forty-three thousand, four hundred ninety-two".