420151422144402 has 128 divisors (see below), whose sum is σ = 1064955276000000. Its totient is φ = 121636445672448.

The previous prime is 420151422144401. The next prime is 420151422144413. The reversal of 420151422144402 is 204441224151024.

420151422144402 is a `hidden beast` number, since 4 + 2 + 0 + 1 + 51 + 422 + 144 + 40 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (420151422144401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34683724 + ... + 45202472.

It is an arithmetic number, because the mean of its divisors is an integer number (8319963093750).

Almost surely, 2^{420151422144402} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420151422144402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532477638000000).

420151422144402 is an abundant number, since it is smaller than the sum of its proper divisors (644803853855598).

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

420151422144402 is a wasteful number, since it uses less digits than its factorization.

420151422144402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10522137 (or 10522131 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 36.

Adding to 420151422144402 its reverse (204441224151024), we get a palindrome (624592646295426).

The spelling of 420151422144402 in words is "four hundred twenty trillion, one hundred fifty-one billion, four hundred twenty-two million, one hundred forty-four thousand, four hundred two".