13406272821400 has 96 divisors (see below), whose sum is σ = 32231686749840. Its totient is φ = 5182802127360.

The previous prime is 13406272821367. The next prime is 13406272821401. The reversal of 13406272821400 is 412827260431.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13406272821401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8728179 + ... + 10148578.

Almost surely, 2^{13406272821400} is an apocalyptic number.

13406272821400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13406272821400 is an abundant number, since it is smaller than the sum of its proper divisors (18825413928440).

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

13406272821400 is a wasteful number, since it uses less digits than its factorization.

13406272821400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18876893 (or 18876884 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 13406272821400 in words is "thirteen trillion, four hundred six billion, two hundred seventy-two million, eight hundred twenty-one thousand, four hundred".