245944404 has 96 divisors (see below), whose sum is σ = 663734400. Its totient is φ = 78693120.

The previous prime is 245944403. The next prime is 245944463. The reversal of 245944404 is 404449542.

It is a happy number.

245944404 is a `hidden beast` number, since 24 + 594 + 4 + 40 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245944403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296262 + ... + 297090.

It is an arithmetic number, because the mean of its divisors is an integer number (6913900).

Almost surely, 2^245944404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245944404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331867200).

245944404 is an abundant number, since it is smaller than the sum of its proper divisors (417789996).

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

245944404 is a wasteful number, since it uses less digits than its factorization.

245944404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950 (or 942 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 245944404 is about 15682.6147054629. The cubic root of 245944404 is about 626.5354494894.

The spelling of 245944404 in words is "two hundred forty-five million, nine hundred forty-four thousand, four hundred four".