807069440 has 36 divisors (see below), whose sum is σ = 1933186584. Its totient is φ = 322827264.

The previous prime is 807069433. The next prime is 807069443. The reversal of 807069440 is 44960708.

It is a happy number.

It is a super-2 number, since 2×807069440² = 1302722161963827200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 807069394 and 807069403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (807069443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313982 + ... + 316541.

Almost surely, 2^807069440 is an apocalyptic number.

807069440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

807069440 is an abundant number, since it is smaller than the sum of its proper divisors (1126117144).

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

807069440 is an equidigital number, since it uses as much as digits as its factorization.

807069440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630544 (or 630530 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 807069440 is about 28408.9675982778. The cubic root of 807069440 is about 931.0442042433.

The spelling of 807069440 in words is "eight hundred seven million, sixty-nine thousand, four hundred forty".