5045400 has 72 divisors (see below), whose sum is σ = 16950180. Its totient is φ = 1344960.

The previous prime is 5045347. The next prime is 5045407. The reversal of 5045400 is 45405.

5045400 = T₄₀₅ + T₄₀₆ + ... + T₄₅₈.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×5045400² = 50912122320000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5045407) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 399 + ... + 3201.

Almost surely, 2^5045400 is an apocalyptic number.

5045400 is a gapful number since it is divisible by the number (50) 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 5045400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8475090).

5045400 is an abundant number, since it is smaller than the sum of its proper divisors (11904780).

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

5045400 is a wasteful number, since it uses less digits than its factorization.

5045400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825 (or 2813 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 5045400 is about 2246.1967856802. The cubic root of 5045400 is about 171.5135887824.

It can be divided in two parts, 5045 and 400, that added together give a palindrome (5445).

The spelling of 5045400 in words is "five million, forty-five thousand, four hundred".