2485660478 has 32 divisors (see below), whose sum is σ = 4310392320. Its totient is φ = 1053007200.

The previous prime is 2485660453. The next prime is 2485660483. The reversal of 2485660478 is 8740665842.

It is a happy number.

It is a congruent number.

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, 1009613 + ... + 1012071.

It is an arithmetic number, because the mean of its divisors is an integer number (134699760).

Almost surely, 2^2485660478 is an apocalyptic number.

2485660478 is a deficient number, since it is larger than the sum of its proper divisors (1824731842).

2485660478 is a wasteful number, since it uses less digits than its factorization.

2485660478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272.

The product of its (nonzero) digits is 2580480, while the sum is 50.

The square root of 2485660478 is about 49856.3985662823. The cubic root of 2485660478 is about 1354.6089344081.

The spelling of 2485660478 in words is "two billion, four hundred eighty-five million, six hundred sixty thousand, four hundred seventy-eight".