2102240400424 has 32 divisors (see below), whose sum is σ = 4033206981000. Its totient is φ = 1026949835520.

The previous prime is 2102240400401. The next prime is 2102240400431. The reversal of 2102240400424 is 4240040422012.

It can be written as a sum of positive squares in 4 ways, for example, as 395251116100 + 1706989284324 = 628690^2 + 1306518^2 .

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, 14383227 + ... + 14528650.

Almost surely, 2^{2102240400424} is an apocalyptic number.

It is an amenable number.

2102240400424 is a deficient number, since it is larger than the sum of its proper divisors (1930966580576).

2102240400424 is a wasteful number, since it uses less digits than its factorization.

2102240400424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28912093 (or 28912089 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 2102240400424 its reverse (4240040422012), we get a palindrome (6342280822436).

The spelling of 2102240400424 in words is "two trillion, one hundred two billion, two hundred forty million, four hundred thousand, four hundred twenty-four".