4100451440 has 20 divisors (see below), whose sum is σ = 9533549784. Its totient is φ = 1640180544.

The previous prime is 4100451359. The next prime is 4100451449. The reversal of 4100451440 is 441540014.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4100451449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25627742 + ... + 25627901.

Almost surely, 2^4100451440 is an apocalyptic number.

4100451440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4100451440 is an abundant number, since it is smaller than the sum of its proper divisors (5433098344).

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

4100451440 is a wasteful number, since it uses less digits than its factorization.

4100451440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51255656 (or 51255650 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 4100451440 is about 64034.7674314509. The cubic root of 4100451440 is about 1600.5794047393.

Adding to 4100451440 its reverse (441540014), we get a palindrome (4541991454).

The spelling of 4100451440 in words is "four billion, one hundred million, four hundred fifty-one thousand, four hundred forty".