4457475642 has 16 divisors (see below), whose sum is σ = 9083158560. Its totient is φ = 1457790672.

The previous prime is 4457475623. The next prime is 4457475691. The reversal of 4457475642 is 2465747544.

It is a junction number, because it is equal to n+sod(n) for n = 4457475591 and 4457475600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7008292 + ... + 7008927.

It is an arithmetic number, because the mean of its divisors is an integer number (567697410).

Almost surely, 2^4457475642 is an apocalyptic number.

4457475642 is an abundant number, since it is smaller than the sum of its proper divisors (4625682918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4457475642 is a wasteful number, since it uses less digits than its factorization.

4457475642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14017277.

The product of its digits is 3763200, while the sum is 48.

The square root of 4457475642 is about 66764.3291136817. The cubic root of 4457475642 is about 1645.7466998053.

The spelling of 4457475642 in words is "four billion, four hundred fifty-seven million, four hundred seventy-five thousand, six hundred forty-two".