2601969440 has 96 divisors (see below), whose sum is σ = 7395131520. Its totient is φ = 845144064.

The previous prime is 2601969413. The next prime is 2601969449. The reversal of 2601969440 is 449691062.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2601969449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39857 + ... + 82416.

It is an arithmetic number, because the mean of its divisors is an integer number (77032620).

Almost surely, 2^2601969440 is an apocalyptic number.

2601969440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2601969440 is an abundant number, since it is smaller than the sum of its proper divisors (4793162080).

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

2601969440 is a wasteful number, since it uses less digits than its factorization.

2601969440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122314 (or 122306 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 2601969440 is about 51009.5034282829. The cubic root of 2601969440 is about 1375.4159737586.

It can be divided in two parts, 26019 and 69440, that added together give a palindrome (95459).

The spelling of 2601969440 in words is "two billion, six hundred one million, nine hundred sixty-nine thousand, four hundred forty".