2405946890 has 32 divisors (see below), whose sum is σ = 4473874944. Its totient is φ = 930611520.

The previous prime is 2405946889. The next prime is 2405946911. The reversal of 2405946890 is 986495042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576692 + ... + 580848.

It is an arithmetic number, because the mean of its divisors is an integer number (139808592).

Almost surely, 2^2405946890 is an apocalyptic number.

2405946890 is a deficient number, since it is larger than the sum of its proper divisors (2067928054).

2405946890 is a wasteful number, since it uses less digits than its factorization.

2405946890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6062.

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 2405946890 is about 49050.4524953644. The cubic root of 2405946890 is about 1339.9708336267.

The spelling of 2405946890 in words is "two billion, four hundred five million, nine hundred forty-six thousand, eight hundred ninety".