401302014034421 has 4 divisors (see below), whose sum is σ = 408873750148332. Its totient is φ = 393730277920512.

The previous prime is 401302014034307. The next prime is 401302014034457. The reversal of 401302014034421 is 124430410203104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 320650298837521 + 80651715196900 = 17906711^2 + 8980630^2 .

It is a cyclic number.

It is not a de Polignac number, because 401302014034421 - 2⁴² = 396903967523317 is a prime.

It is a super-2 number, since 2×401302014034421² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401302014034021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3785868056876 + ... + 3785868056981.

It is an arithmetic number, because the mean of its divisors is an integer number (102218437537083).

Almost surely, 2^{401302014034421} is an apocalyptic number.

It is an amenable number.

401302014034421 is a deficient number, since it is larger than the sum of its proper divisors (7571736113911).

401302014034421 is an equidigital number, since it uses as much as digits as its factorization.

401302014034421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7571736113910.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 401302014034421 its reverse (124430410203104), we get a palindrome (525732424237525).

The spelling of 401302014034421 in words is "four hundred one trillion, three hundred two billion, fourteen million, thirty-four thousand, four hundred twenty-one".