2450400 has 72 divisors (see below), whose sum is σ = 7983864. Its totient is φ = 652800.

The previous prime is 2450387. The next prime is 2450417. The reversal of 2450400 is 40542.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2450400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1890 + ... + 2910.

It is an arithmetic number, because the mean of its divisors is an integer number (110887).

2^2450400 is an apocalyptic number.

2450400 is a gapful number since it is divisible by the number (20) 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 2450400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3991932).

2450400 is an abundant number, since it is smaller than the sum of its proper divisors (5533464).

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

2450400 is a wasteful number, since it uses less digits than its factorization.

2450400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044 (or 1031 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 2450400 is about 1565.3753543480. The cubic root of 2450400 is about 134.8173111868.

Adding to 2450400 its reverse (40542), we get a palindrome (2490942).

It can be divided in two parts, 2450 and 400, that added together give a triangular number (2850 = T₇₅).

The spelling of 2450400 in words is "two million, four hundred fifty thousand, four hundred".