2403402555 has 16 divisors (see below), whose sum is σ = 3850205184. Its totient is φ = 1280227680.

The previous prime is 2403402541. The next prime is 2403402581. The reversal of 2403402555 is 5552043042.

It is not a de Polignac number, because 2403402555 - 2⁷ = 2403402427 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86619 + ... + 110948.

It is an arithmetic number, because the mean of its divisors is an integer number (240637824).

Almost surely, 2^2403402555 is an apocalyptic number.

2403402555 is a deficient number, since it is larger than the sum of its proper divisors (1446802629).

2403402555 is a wasteful number, since it uses less digits than its factorization.

2403402555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198386.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 2403402555 is about 49024.5097374772. The cubic root of 2403402555 is about 1339.4983187340.

Adding to 2403402555 its reverse (5552043042), we get a palindrome (7955445597).

The spelling of 2403402555 in words is "two billion, four hundred three million, four hundred two thousand, five hundred fifty-five".