301404400040 has 64 divisors (see below), whose sum is σ = 680596076160. Its totient is φ = 120129419520.

The previous prime is 301404400039. The next prime is 301404400043. The reversal of 301404400040 is 40004404103.

It is a super-2 number, since 2×301404400040² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 301404399985 and 301404400021.

It is not an unprimeable number, because it can be changed into a prime (301404400043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13394639 + ... + 13417121.

It is an arithmetic number, because the mean of its divisors is an integer number (10634313690).

Almost surely, 2^301404400040 is an apocalyptic number.

It is an amenable number.

301404400040 is an abundant number, since it is smaller than the sum of its proper divisors (379191676120).

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

301404400040 is a wasteful number, since it uses less digits than its factorization.

301404400040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23682 (or 23678 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 301404400040 its reverse (40004404103), we get a palindrome (341408804143).

The spelling of 301404400040 in words is "three hundred one billion, four hundred four million, four hundred thousand, forty".