4001220608960 has 56 divisors (see below), whose sum is σ = 9760294572336. Its totient is φ = 1561451939840.

The previous prime is 4001220608947. The next prime is 4001220608993. The reversal of 4001220608960 is 698060221004.

It is a congruent 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, 152472422 + ... + 152498661.

It is an arithmetic number, because the mean of its divisors is an integer number (174290974506).

Almost surely, 2^{4001220608960} is an apocalyptic number.

4001220608960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4001220608960 is an abundant number, since it is smaller than the sum of its proper divisors (5759073963376).

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

4001220608960 is a wasteful number, since it uses less digits than its factorization.

4001220608960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304971141 (or 304971131 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

Adding to 4001220608960 its reverse (698060221004), we get a palindrome (4699280829964).

The spelling of 4001220608960 in words is "four trillion, one billion, two hundred twenty million, six hundred eight thousand, nine hundred sixty".