420664066274370 has 32 divisors (see below), whose sum is σ = 1009804574554560. Its totient is φ = 112153660395840.

The previous prime is 420664066274369. The next prime is 420664066274377. The reversal of 420664066274370 is 73472660466024.

It is a self number, because there is not a number n which added to its sum of digits gives 420664066274370.

It is not an unprimeable number, because it can be changed into a prime (420664066274377) 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, 1463850436 + ... + 1464137775.

It is an arithmetic number, because the mean of its divisors is an integer number (31556392954830).

Almost surely, 2^{420664066274370} is an apocalyptic number.

420664066274370 is an abundant number, since it is smaller than the sum of its proper divisors (589140508280190).

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

420664066274370 is a wasteful number, since it uses less digits than its factorization.

420664066274370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927993010.

The product of its (nonzero) digits is 48771072, while the sum is 57.

The spelling of 420664066274370 in words is "four hundred twenty trillion, six hundred sixty-four billion, sixty-six million, two hundred seventy-four thousand, three hundred seventy".