1310404420 has 48 divisors (see below), whose sum is σ = 2967492528. Its totient is φ = 483194880.

The previous prime is 1310404399. The next prime is 1310404423. The reversal of 1310404420 is 244040131.

It can be written as a sum of positive squares in 8 ways, for example, as 38340864 + 1272063556 = 6192^2 + 35666^2 .

It is not an unprimeable number, because it can be changed into a prime (1310404423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219880 + ... + 225760.

It is an arithmetic number, because the mean of its divisors is an integer number (61822761).

Almost surely, 2^1310404420 is an apocalyptic number.

1310404420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310404420 is an abundant number, since it is smaller than the sum of its proper divisors (1657088108).

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

1310404420 is a wasteful number, since it uses less digits than its factorization.

1310404420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6760 (or 6758 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1310404420 is about 36199.5085602001. The cubic root of 1310404420 is about 1094.2967677344.

Adding to 1310404420 its reverse (244040131), we get a palindrome (1554444551).

It can be divided in two parts, 131040 and 4420, that added together give a triangular number (135460 = T₅₂₀).

The spelling of 1310404420 in words is "one billion, three hundred ten million, four hundred four thousand, four hundred twenty".