1004430421320 has 64 divisors (see below), whose sum is σ = 3054569253120. Its totient is φ = 264178957824.

The previous prime is 1004430421277. The next prime is 1004430421331. The reversal of 1004430421320 is 231240344001.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57321744 + ... + 57339263.

It is an arithmetic number, because the mean of its divisors is an integer number (47727644580).

Almost surely, 2^{1004430421320} is an apocalyptic number.

1004430421320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004430421320 is an abundant number, since it is smaller than the sum of its proper divisors (2050138831800).

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

1004430421320 is a wasteful number, since it uses less digits than its factorization.

1004430421320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114661094 (or 114661090 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1004430421320 its reverse (231240344001), we get a palindrome (1235670765321).

The spelling of 1004430421320 in words is "one trillion, four billion, four hundred thirty million, four hundred twenty-one thousand, three hundred twenty".