803620440 has 448 divisors, whose sum is σ = 3223388160. Its totient is φ = 176359680.

The previous prime is 803620439. The next prime is 803620451. The reversal of 803620440 is 44026308.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 6327657 + ... + 6327783.

Almost surely, 2^803620440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 803620440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1611694080).

803620440 is an abundant number, since it is smaller than the sum of its proper divisors (2419767720).

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

803620440 is a wasteful number, since it uses less digits than its factorization.

803620440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 803620440 is about 28348.1999428535. The cubic root of 803620440 is about 929.7160423401.

Adding to 803620440 its reverse (44026308), we get a palindrome (847646748).

The spelling of 803620440 in words is "eight hundred three million, six hundred twenty thousand, four hundred forty".