3955405641 has 8 divisors (see below), whose sum is σ = 5753317344. Its totient is φ = 2397215520.

The previous prime is 3955405639. The next prime is 3955405679. The reversal of 3955405641 is 1465045593.

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

It is not a de Polignac number, because 3955405641 - 2¹ = 3955405639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3955405593 and 3955405602.

It is not an unprimeable number, because it can be changed into a prime (3955405631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59930356 + ... + 59930421.

It is an arithmetic number, because the mean of its divisors is an integer number (719164668).

Almost surely, 2^3955405641 is an apocalyptic number.

It is an amenable number.

3955405641 is a deficient number, since it is larger than the sum of its proper divisors (1797911703).

3955405641 is a wasteful number, since it uses less digits than its factorization.

3955405641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119860791.

The product of its (nonzero) digits is 324000, while the sum is 42.

The square root of 3955405641 is about 62892.0157174184. The cubic root of 3955405641 is about 1581.4798986120.

The spelling of 3955405641 in words is "three billion, nine hundred fifty-five million, four hundred five thousand, six hundred forty-one".