404454144234240 has 108 divisors (see below), whose sum is σ = 1399369208450304. Its totient is φ = 107854438459392.

The previous prime is 404454144234209. The next prime is 404454144234269. The reversal of 404454144234240 is 42432441454404.

404454144234240 is a `hidden beast` number, since 4 + 0 + 4 + 4 + 541 + 4 + 4 + 23 + 42 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 17554421824 + ... + 17554444863.

Almost surely, 2^{404454144234240} is an apocalyptic number.

404454144234240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404454144234240 is an abundant number, since it is smaller than the sum of its proper divisors (994915064216064).

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

404454144234240 is a wasteful number, since it uses less digits than its factorization.

404454144234240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35108866714 (or 35108866697 counting only the distinct ones).

The product of its (nonzero) digits is 3932160, while the sum is 45.

Adding to 404454144234240 its reverse (42432441454404), we get a palindrome (446886585688644).

The spelling of 404454144234240 in words is "four hundred four trillion, four hundred fifty-four billion, one hundred forty-four million, two hundred thirty-four thousand, two hundred forty".