420354242002452 has 24 divisors (see below), whose sum is σ = 980837839552032. Its totient is φ = 140116469970400.

The previous prime is 420354242002451. The next prime is 420354242002517. The reversal of 420354242002452 is 254200242453024.

It is a super-3 number, since 3×420354242002452³ (a number of 45 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 420354242002452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420354242002451) 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, 200249499 + ... + 202337762.

It is an arithmetic number, because the mean of its divisors is an integer number (40868243314668).

Almost surely, 2^{420354242002452} is an apocalyptic number.

It is an amenable number.

420354242002452 is an abundant number, since it is smaller than the sum of its proper divisors (560483597549580).

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

420354242002452 is a wasteful number, since it uses less digits than its factorization.

420354242002452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402674279 (or 402674277 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 39.

Adding to 420354242002452 its reverse (254200242453024), we get a palindrome (674554484455476).

The spelling of 420354242002452 in words is "four hundred twenty trillion, three hundred fifty-four billion, two hundred forty-two million, two thousand, four hundred fifty-two".