420213552523340 has 96 divisors (see below), whose sum is σ = 899742840675840. Its totient is φ = 164795827429376.

The previous prime is 420213552523339. The next prime is 420213552523463. The reversal of 420213552523340 is 43325255312024.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19925711516 + ... + 19925732604.

It is an arithmetic number, because the mean of its divisors is an integer number (9372321257040).

Almost surely, 2^{420213552523340} is an apocalyptic number.

It is an amenable number.

420213552523340 is an abundant number, since it is smaller than the sum of its proper divisors (479529288152500).

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

420213552523340 is a wasteful number, since it uses less digits than its factorization.

420213552523340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33731 (or 33729 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 41.

The spelling of 420213552523340 in words is "four hundred twenty trillion, two hundred thirteen billion, five hundred fifty-two million, five hundred twenty-three thousand, three hundred forty".