6553476438400 has 96 divisors (see below), whose sum is σ = 16565626618200. Its totient is φ = 2560427950080.

The previous prime is 6553476438373. The next prime is 6553476438407. The reversal of 6553476438400 is 48346743556.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6553476438407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23675905 + ... + 23951104.

Almost surely, 2^{6553476438400} is an apocalyptic number.

It is an amenable number.

6553476438400 is an abundant number, since it is smaller than the sum of its proper divisors (10012150179800).

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

6553476438400 is a wasteful number, since it uses less digits than its factorization.

6553476438400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47627076 (or 47627059 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 55.

The spelling of 6553476438400 in words is "six trillion, five hundred fifty-three billion, four hundred seventy-six million, four hundred thirty-eight thousand, four hundred".