420402142341 has 6 divisors (see below), whose sum is σ = 607247538950. Its totient is φ = 280268094888.

The previous prime is 420402142327. The next prime is 420402142343. The reversal of 420402142341 is 143241204024.

420402142341 is a `hidden beast` number, since 4 + 20 + 402 + 1 + 4 + 234 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 270551861316 + 149850281025 = 520146^2 + 387105^2 .

It is not a de Polignac number, because 420402142341 - 2⁵ = 420402142309 is a prime.

It is a super-2 number, since 2×420402142341² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420402142343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23355674566 + ... + 23355674583.

Almost surely, 2^420402142341 is an apocalyptic number.

It is an amenable number.

420402142341 is a deficient number, since it is larger than the sum of its proper divisors (186845396609).

420402142341 is a wasteful number, since it uses less digits than its factorization.

420402142341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46711349155 (or 46711349152 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 420402142341 its reverse (143241204024), we get a palindrome (563643346365).

The spelling of 420402142341 in words is "four hundred twenty billion, four hundred two million, one hundred forty-two thousand, three hundred forty-one".