4100400 has 180 divisors, whose sum is σ = 15291432. Its totient is φ = 1013760.

The previous prime is 4100399. The next prime is 4100407. The reversal of 4100400 is 40014.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a zygodrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (4100407) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 61167 + ... + 61233.

Almost surely, 2^4100400 is an apocalyptic number.

4100400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4100400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7645716).

4100400 is an abundant number, since it is smaller than the sum of its proper divisors (11191032).

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

4100400 is a wasteful number, since it uses less digits than its factorization.

4100400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 4100400 is about 2024.9444436823. The cubic root of 4100400 is about 160.0572711643.

Adding to 4100400 its reverse (40014), we get a palindrome (4140414).

The spelling of 4100400 in words is "four million, one hundred thousand, four hundred".