2641121400 has 48 divisors (see below), whose sum is σ = 8187478200. Its totient is φ = 704298880.

The previous prime is 2641121389. The next prime is 2641121407. The reversal of 2641121400 is 41211462.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641121407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2200335 + ... + 2201534.

Almost surely, 2^2641121400 is an apocalyptic number.

2641121400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2641121400 is an abundant number, since it is smaller than the sum of its proper divisors (5546356800).

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

2641121400 is a wasteful number, since it uses less digits than its factorization.

2641121400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4401888 (or 4401879 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2641121400 is about 51391.8417650117. The cubic root of 2641121400 is about 1382.2803089222.

Adding to 2641121400 its reverse (41211462), we get a palindrome (2682332862).

The spelling of 2641121400 in words is "two billion, six hundred forty-one million, one hundred twenty-one thousand, four hundred".