8401405455 has 48 divisors (see below), whose sum is σ = 15145821600. Its totient is φ = 4467685248.

The previous prime is 8401405447. The next prime is 8401405459. The reversal of 8401405455 is 5545041048.

It is a happy number.

It is not a de Polignac number, because 8401405455 - 2³ = 8401405447 is a prime.

It is a super-2 number, since 2×8401405455² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8401405459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 414129 + ... + 433941.

It is an arithmetic number, because the mean of its divisors is an integer number (315537950).

Almost surely, 2^8401405455 is an apocalyptic number.

8401405455 is a deficient number, since it is larger than the sum of its proper divisors (6744416145).

8401405455 is a wasteful number, since it uses less digits than its factorization.

8401405455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20182 (or 20170 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

The square root of 8401405455 is about 91659.1809640475. The cubic root of 8401405455 is about 2032.9060802709.

The spelling of 8401405455 in words is "eight billion, four hundred one million, four hundred five thousand, four hundred fifty-five".