105404511402 has 12 divisors (see below), whose sum is σ = 228376441410. Its totient is φ = 35134837128.

The previous prime is 105404511371. The next prime is 105404511419. The reversal of 105404511402 is 204115404501.

105404511402 is a `hidden beast` number, since 1 + 0 + 540 + 4 + 5 + 114 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 93098824641 + 12305686761 = 305121^2 + 110931^2 .

It is a super-3 number, since 3×105404511402³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2927903077 + ... + 2927903112.

Almost surely, 2^105404511402 is an apocalyptic number.

105404511402 is an abundant number, since it is smaller than the sum of its proper divisors (122971930008).

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

105404511402 is a wasteful number, since it uses less digits than its factorization.

105404511402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5855806197 (or 5855806194 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 105404511402 its reverse (204115404501), we get a palindrome (309519915903).

The spelling of 105404511402 in words is "one hundred five billion, four hundred four million, five hundred eleven thousand, four hundred two".