4001032051722 has 128 divisors (see below), whose sum is σ = 9110131430400. Its totient is φ = 1301029060608.

The previous prime is 4001032051613. The next prime is 4001032051733. The reversal of 4001032051722 is 2271502301004.

4001032051722 is a `hidden beast` number, since 4 + 0 + 0 + 103 + 20 + 517 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1157369418 + ... + 1157372874.

It is an arithmetic number, because the mean of its divisors is an integer number (71172901800).

Almost surely, 2^{4001032051722} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4001032051722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4555065715200).

4001032051722 is an abundant number, since it is smaller than the sum of its proper divisors (5109099378678).

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

4001032051722 is a wasteful number, since it uses less digits than its factorization.

4001032051722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4877 (or 4871 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

Adding to 4001032051722 its reverse (2271502301004), we get a palindrome (6272534352726).

The spelling of 4001032051722 in words is "four trillion, one billion, thirty-two million, fifty-one thousand, seven hundred twenty-two".