1369033040 has 20 divisors (see below), whose sum is σ = 3183002004. Its totient is φ = 547613184.

The previous prime is 1369033031. The next prime is 1369033063. The reversal of 1369033040 is 403309631.

It can be written as a sum of positive squares in 2 ways, for example, as 918574864 + 450458176 = 30308^2 + 21224^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×1369033040² = 3748502929223283200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1369032994 and 1369033012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8556377 + ... + 8556536.

Almost surely, 2^1369033040 is an apocalyptic number.

1369033040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1369033040 is an abundant number, since it is smaller than the sum of its proper divisors (1813968964).

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

1369033040 is a wasteful number, since it uses less digits than its factorization.

1369033040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17112926 (or 17112920 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 1369033040 is about 37000.4464837926. The cubic root of 1369033040 is about 1110.3791794951.

The spelling of 1369033040 in words is "one billion, three hundred sixty-nine million, thirty-three thousand, forty".