2405434402 has 24 divisors (see below), whose sum is σ = 4259894544. Its totient is φ = 1015511112.

The previous prime is 2405434391. The next prime is 2405434403. The reversal of 2405434402 is 2044345042.

It is a super-2 number, since 2×2405434402² = 11572229324650195208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2405434403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176608 + ... + 189739.

It is an arithmetic number, because the mean of its divisors is an integer number (177495606).

Almost surely, 2^2405434402 is an apocalyptic number.

2405434402 is a deficient number, since it is larger than the sum of its proper divisors (1854460142).

2405434402 is a wasteful number, since it uses less digits than its factorization.

2405434402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366430 (or 366423 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 2405434402 is about 49045.2281266995. The cubic root of 2405434402 is about 1339.8756849848.

Adding to 2405434402 its reverse (2044345042), we get a palindrome (4449779444).

The spelling of 2405434402 in words is "two billion, four hundred five million, four hundred thirty-four thousand, four hundred two".