13404633457420 has 24 divisors (see below), whose sum is σ = 28153320658848. Its totient is φ = 5361169497600.

The previous prime is 13404633457379. The next prime is 13404633457421. The reversal of 13404633457420 is 2475433640431.

It is not an unprimeable number, because it can be changed into a prime (13404633457421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42582096 + ... + 42895735.

It is an arithmetic number, because the mean of its divisors is an integer number (1173055027452).

Almost surely, 2^{13404633457420} is an apocalyptic number.

13404633457420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13404633457420 is an abundant number, since it is smaller than the sum of its proper divisors (14748687201428).

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

13404633457420 is a wasteful number, since it uses less digits than its factorization.

13404633457420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85485681 (or 85485679 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 46.

The spelling of 13404633457420 in words is "thirteen trillion, four hundred four billion, six hundred thirty-three million, four hundred fifty-seven thousand, four hundred twenty".