305411421402 has 16 divisors (see below), whose sum is σ = 678692047680. Its totient is φ = 101803807116.

The previous prime is 305411421401. The next prime is 305411421433. The reversal of 305411421402 is 204124114503.

305411421402 is a `hidden beast` number, since 30 + 5 + 411 + 4 + 214 + 0 + 2 = 666.

It is a super-2 number, since 2×305411421402² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (305411421401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2827883478 + ... + 2827883585.

It is an arithmetic number, because the mean of its divisors is an integer number (42418252980).

Almost surely, 2^305411421402 is an apocalyptic number.

305411421402 is an abundant number, since it is smaller than the sum of its proper divisors (373280626278).

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

305411421402 is a wasteful number, since it uses less digits than its factorization.

305411421402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5655767074 (or 5655767068 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 305411421402 its reverse (204124114503), we get a palindrome (509535535905).

The spelling of 305411421402 in words is "three hundred five billion, four hundred eleven million, four hundred twenty-one thousand, four hundred two".