2402154043434 has 12 divisors (see below), whose sum is σ = 5204667094146. Its totient is φ = 800718014472.

The previous prime is 2402154043397. The next prime is 2402154043447. The reversal of 2402154043434 is 4343404512042.

2402154043434 is a `hidden beast` number, since 2 + 4 + 0 + 215 + 4 + 0 + 4 + 3 + 434 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2100044417409 + 302109626025 = 1449153^2 + 549645^2 .

It is a Curzon number.

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, 66726501189 + ... + 66726501224.

Almost surely, 2^{2402154043434} is an apocalyptic number.

2402154043434 is an abundant number, since it is smaller than the sum of its proper divisors (2802513050712).

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

2402154043434 is a wasteful number, since it uses less digits than its factorization.

2402154043434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133453002421 (or 133453002418 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 2402154043434 its reverse (4343404512042), we get a palindrome (6745558555476).

The spelling of 2402154043434 in words is "two trillion, four hundred two billion, one hundred fifty-four million, forty-three thousand, four hundred thirty-four".