401224205020451 has 8 divisors (see below), whose sum is σ = 432642274990800. Its totient is φ = 370836235704960.

The previous prime is 401224205020423. The next prime is 401224205020459. The reversal of 401224205020451 is 154020502422104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401224205020451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401224205020459) 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, 257525162906 + ... + 257525164463.

It is an arithmetic number, because the mean of its divisors is an integer number (54080284373850).

Almost surely, 2^{401224205020451} is an apocalyptic number.

401224205020451 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

401224205020451 is a deficient number, since it is larger than the sum of its proper divisors (31418069970349).

401224205020451 is a wasteful number, since it uses less digits than its factorization.

401224205020451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515050327429.

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 401224205020451 its reverse (154020502422104), we get a palindrome (555244707442555).

The spelling of 401224205020451 in words is "four hundred one trillion, two hundred twenty-four billion, two hundred five million, twenty thousand, four hundred fifty-one".