2042405416 has 16 divisors (see below), whose sum is σ = 3892289940. Its totient is φ = 1004461440.

The previous prime is 2042405377. The next prime is 2042405423. The reversal of 2042405416 is 6145042402.

It can be written as a sum of positive squares in 2 ways, for example, as 1993265316 + 49140100 = 44646^2 + 7010^2 .

It is a super-2 number, since 2×2042405416² = 8342839766612266112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2092141 + ... + 2093116.

Almost surely, 2^2042405416 is an apocalyptic number.

It is an amenable number.

2042405416 is a deficient number, since it is larger than the sum of its proper divisors (1849884524).

2042405416 is a wasteful number, since it uses less digits than its factorization.

2042405416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4185324 (or 4185320 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 2042405416 is about 45192.9797203061. The cubic root of 2042405416 is about 1268.7634265333.

Adding to 2042405416 its reverse (6145042402), we get a palindrome (8187447818).

The spelling of 2042405416 in words is "two billion, forty-two million, four hundred five thousand, four hundred sixteen".