420071527451 has 8 divisors (see below), whose sum is σ = 430614621024. Its totient is φ = 409542598080.

The previous prime is 420071527441. The next prime is 420071527489. The reversal of 420071527451 is 154725170024.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 420071527451 - 2⁶ = 420071527387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420071527441) 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, 3480980 + ... + 3599633.

It is an arithmetic number, because the mean of its divisors is an integer number (53826827628).

Almost surely, 2^420071527451 is an apocalyptic number.

420071527451 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

420071527451 is a deficient number, since it is larger than the sum of its proper divisors (10543093573).

420071527451 is a wasteful number, since it uses less digits than its factorization.

420071527451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7082101.

The product of its (nonzero) digits is 78400, while the sum is 38.

Adding to 420071527451 its reverse (154725170024), we get a palindrome (574796697475).

The spelling of 420071527451 in words is "four hundred twenty billion, seventy-one million, five hundred twenty-seven thousand, four hundred fifty-one".