13405455521430 has 64 divisors (see below), whose sum is σ = 36769698040320. Its totient is φ = 3064066735104.

The previous prime is 13405455521413. The next prime is 13405455521443. The reversal of 13405455521430 is 3412555450431.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19205817 + ... + 19891563.

It is an arithmetic number, because the mean of its divisors is an integer number (574526531880).

Almost surely, 2^{13405455521430} is an apocalyptic number.

13405455521430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13405455521430 is an abundant number, since it is smaller than the sum of its proper divisors (23364242518890).

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

13405455521430 is a wasteful number, since it uses less digits than its factorization.

13405455521430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778853.

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 13405455521430 in words is "thirteen trillion, four hundred five billion, four hundred fifty-five million, five hundred twenty-one thousand, four hundred thirty".