604040401440 has 1536 divisors, whose sum is σ = 2733966950400. Its totient is φ = 121323847680.

The previous prime is 604040401439. The next prime is 604040401487. The reversal of 604040401440 is 44104040406.

604040401440 is a `hidden beast` number, since 604 + 0 + 4 + 0 + 4 + 0 + 14 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 462157267 + ... + 462158573.

It is an arithmetic number, because the mean of its divisors is an integer number (1779926400).

Almost surely, 2^604040401440 is an apocalyptic number.

604040401440 is a gapful number since it is divisible by the number (60) 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 604040401440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1366983475200).

604040401440 is an abundant number, since it is smaller than the sum of its proper divisors (2129926548960).

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

604040401440 is a wasteful number, since it uses less digits than its factorization.

604040401440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415 (or 1401 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 604040401440 its reverse (44104040406), we get a palindrome (648144441846).

The spelling of 604040401440 in words is "six hundred four billion, forty million, four hundred one thousand, four hundred forty".