245404000 has 96 divisors (see below), whose sum is σ = 634888800. Its totient is φ = 92966400.

The previous prime is 245403947. The next prime is 245404007. The reversal of 245404000 is 404542.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245404007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74386 + ... + 77614.

It is an arithmetic number, because the mean of its divisors is an integer number (6613425).

Almost surely, 2^245404000 is an apocalyptic number.

245404000 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 245404000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317444400).

245404000 is an abundant number, since it is smaller than the sum of its proper divisors (389484800).

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

245404000 is a wasteful number, since it uses less digits than its factorization.

245404000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273 (or 3255 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 245404000 is about 15665.3758333466. The cubic root of 245404000 is about 626.0762257174.

Adding to 245404000 its reverse (404542), we get a palindrome (245808542).

The spelling of 245404000 in words is "two hundred forty-five million, four hundred four thousand".