420525706752 has 120 divisors (see below), whose sum is σ = 1258616615256. Its totient is φ = 140175194112.

The previous prime is 420525706751. The next prime is 420525706753. The reversal of 420525706752 is 257607525024.

420525706752 is a `hidden beast` number, since 4 + 2 + 0 + 5 + 2 + 570 + 6 + 75 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (420525706751) and next prime (420525706753).

It is a junction number, because it is equal to n+sod(n) for n = 420525706698 and 420525706707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420525706751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1565583 + ... + 1814414.

Almost surely, 2^420525706752 is an apocalyptic number.

It is an amenable number.

420525706752 is an abundant number, since it is smaller than the sum of its proper divisors (838090908504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420525706752 is an frugal number, since it uses more digits than its factorization.

420525706752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380030 (or 3380002 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 45.

The spelling of 420525706752 in words is "four hundred twenty billion, five hundred twenty-five million, seven hundred six thousand, seven hundred fifty-two".