4004257445 has 8 divisors (see below), whose sum is σ = 4960112640. Its totient is φ = 3100070160.

The previous prime is 4004257441. The next prime is 4004257451. The reversal of 4004257445 is 5447524004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4004257445 - 2² = 4004257441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004257441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12916805 + ... + 12917114.

It is an arithmetic number, because the mean of its divisors is an integer number (620014080).

Almost surely, 2^4004257445 is an apocalyptic number.

It is an amenable number.

4004257445 is a deficient number, since it is larger than the sum of its proper divisors (955855195).

4004257445 is a wasteful number, since it uses less digits than its factorization.

4004257445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25833955.

The product of its (nonzero) digits is 89600, while the sum is 35.

The square root of 4004257445 is about 63279.2023100797. The cubic root of 4004257445 is about 1587.9640416633.

The spelling of 4004257445 in words is "four billion, four million, two hundred fifty-seven thousand, four hundred forty-five".