420420004011451 has 16 divisors (see below), whose sum is σ = 424917845827200. Its totient is φ = 415941736953600.

The previous prime is 420420004011389. The next prime is 420420004011457. The reversal of 420420004011451 is 154110400024024.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 420420004011451 - 2¹⁹ = 420420003487163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420420004011457) 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, 3828244420 + ... + 3828354238.

It is an arithmetic number, because the mean of its divisors is an integer number (26557365364200).

Almost surely, 2^{420420004011451} is an apocalyptic number.

420420004011451 is a deficient number, since it is larger than the sum of its proper divisors (4497841815749).

420420004011451 is a wasteful number, since it uses less digits than its factorization.

420420004011451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198570.

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 420420004011451 its reverse (154110400024024), we get a palindrome (574530404035475).

The spelling of 420420004011451 in words is "four hundred twenty trillion, four hundred twenty billion, four million, eleven thousand, four hundred fifty-one".