4405961631 has 8 divisors (see below), whose sum is σ = 5896294144. Its totient is φ = 2926468440.

The previous prime is 4405961629. The next prime is 4405961653. The reversal of 4405961631 is 1361695044.

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

It is not a de Polignac number, because 4405961631 - 2¹ = 4405961629 is a prime.

It is a super-2 number, since 2×4405961631² = 38824995787688360322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4405961631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4405960631) 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, 2708881 + ... + 2710506.

It is an arithmetic number, because the mean of its divisors is an integer number (737036768).

Almost surely, 2^4405961631 is an apocalyptic number.

4405961631 is a deficient number, since it is larger than the sum of its proper divisors (1490332513).

4405961631 is a wasteful number, since it uses less digits than its factorization.

4405961631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5419661.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 4405961631 is about 66377.4180802477. The cubic root of 4405961631 is about 1639.3822816133.

The spelling of 4405961631 in words is "four billion, four hundred five million, nine hundred sixty-one thousand, six hundred thirty-one".