1004404413400 has 24 divisors (see below), whose sum is σ = 2335240261620. Its totient is φ = 401761765280.

The previous prime is 1004404413361. The next prime is 1004404413413. The reversal of 1004404413400 is 43144044001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2511010834 + ... + 2511011233.

Almost surely, 2^{1004404413400} is an apocalyptic number.

1004404413400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004404413400 is an abundant number, since it is smaller than the sum of its proper divisors (1330835848220).

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

1004404413400 is a wasteful number, since it uses less digits than its factorization.

1004404413400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5022022083 (or 5022022074 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1004404413400 its reverse (43144044001), we get a palindrome (1047548457401).

It can be divided in two parts, 1004 and 404413400, that added together give a palindrome (404414404).

The spelling of 1004404413400 in words is "one trillion, four billion, four hundred four million, four hundred thirteen thousand, four hundred".