1353403404 has 60 divisors (see below), whose sum is σ = 3559392144. Its totient is φ = 448415136.

The previous prime is 1353403397. The next prime is 1353403433. The reversal of 1353403404 is 4043043531.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 41602 + ... + 66614.

Almost surely, 2^1353403404 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 1353403404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1779696072).

1353403404 is an abundant number, since it is smaller than the sum of its proper divisors (2205988740).

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

1353403404 is a wasteful number, since it uses less digits than its factorization.

1353403404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25196 (or 25185 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 1353403404 is about 36788.6314504902. The cubic root of 1353403404 is about 1106.1374292807.

Adding to 1353403404 its reverse (4043043531), we get a palindrome (5396446935).

The spelling of 1353403404 in words is "one billion, three hundred fifty-three million, four hundred three thousand, four hundred four".