4131772644 has 24 divisors (see below), whose sum is σ = 9667667520. Its totient is φ = 1373419744.

The previous prime is 4131772621. The next prime is 4131772657. The reversal of 4131772644 is 4462771314.

It is an unprimeable number.

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, 475239 + ... + 483854.

It is an arithmetic number, because the mean of its divisors is an integer number (402819480).

Almost surely, 2^4131772644 is an apocalyptic number.

It is an amenable number.

4131772644 is an abundant number, since it is smaller than the sum of its proper divisors (5535894876).

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

4131772644 is a wasteful number, since it uses less digits than its factorization.

4131772644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959459 (or 959457 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 4131772644 is about 64278.8662314450. The cubic root of 4131772644 is about 1604.6444017673.

The spelling of 4131772644 in words is "four billion, one hundred thirty-one million, seven hundred seventy-two thousand, six hundred forty-four".