2406185442 has 12 divisors (see below), whose sum is σ = 5213401830. Its totient is φ = 802061808.

The previous prime is 2406185437. The next prime is 2406185449. The reversal of 2406185442 is 2445816042.

It can be written as a sum of positive squares in only one way, i.e., 2340721161 + 65464281 = 48381^2 + 8091^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2406185397 and 2406185406.

It is not an unprimeable number, because it can be changed into a prime (2406185449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66838467 + ... + 66838502.

Almost surely, 2^2406185442 is an apocalyptic number.

2406185442 is an abundant number, since it is smaller than the sum of its proper divisors (2807216388).

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

2406185442 is a wasteful number, since it uses less digits than its factorization.

2406185442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133676977 (or 133676974 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 2406185442 is about 49052.8841353900. The cubic root of 2406185442 is about 1340.0151186384.

The spelling of 2406185442 in words is "two billion, four hundred six million, one hundred eighty-five thousand, four hundred forty-two".