2042405415 has 32 divisors (see below), whose sum is σ = 3844532160. Its totient is φ = 1025206272.

The previous prime is 2042405377. The next prime is 2042405423. The reversal of 2042405415 is 5145042402.

2042405415 is a `hidden beast` number, since 2 + 0 + 4 + 240 + 5 + 415 = 666.

It is not a de Polignac number, because 2042405415 - 2¹⁰ = 2042404391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 442674 + ... + 447263.

It is an arithmetic number, because the mean of its divisors is an integer number (120141630).

Almost surely, 2^2042405415 is an apocalyptic number.

2042405415 is a deficient number, since it is larger than the sum of its proper divisors (1802126745).

2042405415 is a wasteful number, since it uses less digits than its factorization.

2042405415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889968 (or 889962 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 2042405415 is about 45192.9797092425. The cubic root of 2042405415 is about 1268.7634263262.

Adding to 2042405415 its reverse (5145042402), we get a palindrome (7187447817).

The spelling of 2042405415 in words is "two billion, forty-two million, four hundred five thousand, four hundred fifteen".