420401403102 has 32 divisors (see below), whose sum is σ = 879650316288. Its totient is φ = 133691033696.

The previous prime is 420401403089. The next prime is 420401403127. The reversal of 420401403102 is 201304104024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3924153 + ... + 4029860.

It is an arithmetic number, because the mean of its divisors is an integer number (27489072384).

Almost surely, 2^420401403102 is an apocalyptic number.

420401403102 is an abundant number, since it is smaller than the sum of its proper divisors (459248913186).

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

420401403102 is a wasteful number, since it uses less digits than its factorization.

420401403102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7954424.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 420401403102 its reverse (201304104024), we get a palindrome (621705507126).

The spelling of 420401403102 in words is "four hundred twenty billion, four hundred one million, four hundred three thousand, one hundred two".