2078432455 has 16 divisors (see below), whose sum is σ = 2731221504. Its totient is φ = 1505829280.

The previous prime is 2078432453. The next prime is 2078432459. The reversal of 2078432455 is 5542348702.

It is not a de Polignac number, because 2078432455 - 2¹ = 2078432453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078432453) 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 15 ways as a sum of consecutive naturals, for example, 57379 + ... + 86308.

It is an arithmetic number, because the mean of its divisors is an integer number (170701344).

Almost surely, 2^2078432455 is an apocalyptic number.

2078432455 is a deficient number, since it is larger than the sum of its proper divisors (652789049).

2078432455 is a wasteful number, since it uses less digits than its factorization.

2078432455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143966.

The product of its (nonzero) digits is 268800, while the sum is 40.

The square root of 2078432455 is about 45589.8284159965. The cubic root of 2078432455 is about 1276.1801105070.

The spelling of 2078432455 in words is "two billion, seventy-eight million, four hundred thirty-two thousand, four hundred fifty-five".