420272523045 has 48 divisors (see below), whose sum is σ = 740067494400. Its totient is φ = 220595880960.

The previous prime is 420272523019. The next prime is 420272523059. The reversal of 420272523045 is 540325272024.

420272523045 is a `hidden beast` number, since 4 + 20 + 2 + 72 + 523 + 0 + 45 = 666.

It is not a de Polignac number, because 420272523045 - 2²⁸ = 420004087589 is a prime.

It is a super-2 number, since 2×420272523045² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 915541 + ... + 1295669.

It is an arithmetic number, because the mean of its divisors is an integer number (15418072800).

Almost surely, 2^420272523045 is an apocalyptic number.

420272523045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

420272523045 is a deficient number, since it is larger than the sum of its proper divisors (319794971355).

420272523045 is a wasteful number, since it uses less digits than its factorization.

420272523045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380530 (or 380527 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 36.

Adding to 420272523045 its reverse (540325272024), we get a palindrome (960597795069).

The spelling of 420272523045 in words is "four hundred twenty billion, two hundred seventy-two million, five hundred twenty-three thousand, forty-five".