13404147091992 has 88 divisors (see below), whose sum is σ = 37698952211940. Its totient is φ = 4468048873200.

The previous prime is 13404147091991. The next prime is 13404147092027. The reversal of 13404147091992 is 29919074140431.

It is a happy number.

13404147091992 is a `hidden beast` number, since 1 + 3 + 40 + 41 + 470 + 9 + 1 + 9 + 92 = 666.

It is a super-2 number, since 2×13404147091992² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13404147091991) by changing a digit.

It is a polite number, since it can be written in 21 ways as a sum of consecutive naturals, for example, 13715134 + ... + 14659917.

Almost surely, 2^{13404147091992} is an apocalyptic number.

13404147091992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13404147091992 is an abundant number, since it is smaller than the sum of its proper divisors (24294805119948).

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

13404147091992 is an frugal number, since it uses more digits than its factorization.

13404147091992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28375087 (or 28375056 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 13404147091992 in words is "thirteen trillion, four hundred four billion, one hundred forty-seven million, ninety-one thousand, nine hundred ninety-two".