27454401477396 has 240 divisors, whose sum is σ = 79335413587584. Its totient is φ = 8234681647104.

The previous prime is 27454401477353. The next prime is 27454401477397. The reversal of 27454401477396 is 69377410445472.

It is a happy number.

27454401477396 is a `hidden beast` number, since 2 + 7 + 4 + 544 + 0 + 14 + 7 + 73 + 9 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27454401477397) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 267632011 + ... + 267734573.

Almost surely, 2^{27454401477396} 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 27454401477396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39667706793792).

27454401477396 is an abundant number, since it is smaller than the sum of its proper divisors (51881012110188).

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

27454401477396 is a wasteful number, since it uses less digits than its factorization.

27454401477396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104732 (or 104721 counting only the distinct ones).

The product of its (nonzero) digits is 142248960, while the sum is 63.

The spelling of 27454401477396 in words is "twenty-seven trillion, four hundred fifty-four billion, four hundred one million, four hundred seventy-seven thousand, three hundred ninety-six".