4025660345 has 8 divisors (see below), whose sum is σ = 5520905664. Its totient is φ = 2760452784.

The previous prime is 4025660269. The next prime is 4025660357. The reversal of 4025660345 is 5430665204.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4025660345 - 2²⁶ = 3958551481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 115018867 = 4025660345 / (4 + 0 + 2 + 5 + 6 + 6 + 0 + 3 + 4 + 5).

It is a Duffinian number.

It is a Curzon number.

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, 57509399 + ... + 57509468.

It is an arithmetic number, because the mean of its divisors is an integer number (690113208).

Almost surely, 2^4025660345 is an apocalyptic number.

It is an amenable number.

4025660345 is a deficient number, since it is larger than the sum of its proper divisors (1495245319).

4025660345 is a wasteful number, since it uses less digits than its factorization.

4025660345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115018879.

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 4025660345 is about 63448.0917364738. The cubic root of 4025660345 is about 1590.7882574096.

The spelling of 4025660345 in words is "four billion, twenty-five million, six hundred sixty thousand, three hundred forty-five".