420004140451 has 16 divisors (see below), whose sum is σ = 482954734080. Its totient is φ = 357791725440.

The previous prime is 420004140443. The next prime is 420004140469. The reversal of 420004140451 is 154041400024.

It is a cyclic number.

It is not a de Polignac number, because 420004140451 - 2³ = 420004140443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420004140401) 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, 8545435 + ... + 8594443.

It is an arithmetic number, because the mean of its divisors is an integer number (30184670880).

Almost surely, 2^420004140451 is an apocalyptic number.

420004140451 is a deficient number, since it is larger than the sum of its proper divisors (62950593629).

420004140451 is a wasteful number, since it uses less digits than its factorization.

420004140451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56514.

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 420004140451 its reverse (154041400024), we get a palindrome (574045540475).

The spelling of 420004140451 in words is "four hundred twenty billion, four million, one hundred forty thousand, four hundred fifty-one".