2454640464542 has 32 divisors (see below), whose sum is σ = 4298366995200. Its totient is φ = 1050877627800.

The previous prime is 2454640464533. The next prime is 2454640464547.

It is a happy number.

2454640464542 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2454640464547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1239584 + ... + 2538867.

It is an arithmetic number, because the mean of its divisors is an integer number (134323968600).

Almost surely, 2^{2454640464542} is an apocalyptic number.

2454640464542 is a deficient number, since it is larger than the sum of its proper divisors (1843726530658).

2454640464542 is an equidigital number, since it uses as much as digits as its factorization.

2454640464542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3779421 (or 3779407 counting only the distinct ones).

The product of its (nonzero) digits is 14745600, while the sum is 50.

The spelling of 2454640464542 in words is "two trillion, four hundred fifty-four billion, six hundred forty million, four hundred sixty-four thousand, five hundred forty-two".