2078405144 has 32 divisors (see below), whose sum is σ = 4010041200. Its totient is φ = 1009169280.

The previous prime is 2078405141. The next prime is 2078405149. The reversal of 2078405144 is 4415048702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078405141) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 153647 + ... + 166625.

Almost surely, 2^2078405144 is an apocalyptic number.

It is an amenable number.

2078405144 is a deficient number, since it is larger than the sum of its proper divisors (1931636056).

2078405144 is a wasteful number, since it uses less digits than its factorization.

2078405144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13563 (or 13559 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 35.

The square root of 2078405144 is about 45589.5288854798. The cubic root of 2078405144 is about 1276.1745207323.

The spelling of 2078405144 in words is "two billion, seventy-eight million, four hundred five thousand, one hundred forty-four".