420988107834 has 64 divisors (see below), whose sum is σ = 1069293818880. Its totient is φ = 120269078640.

The previous prime is 420988107823. The next prime is 420988107847. The reversal of 420988107834 is 438701889024.

It is a happy number.

420988107834 is a `hidden beast` number, since 420 + 9 + 88 + 107 + 8 + 34 = 666.

It is a super-2 number, since 2×420988107834² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3679429 + ... + 3792119.

It is an arithmetic number, because the mean of its divisors is an integer number (16707715920).

Almost surely, 2^420988107834 is an apocalyptic number.

420988107834 is an abundant number, since it is smaller than the sum of its proper divisors (648305711046).

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

420988107834 is a wasteful number, since it uses less digits than its factorization.

420988107834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122592 (or 122586 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 420988107834 in words is "four hundred twenty billion, nine hundred eighty-eight million, one hundred seven thousand, eight hundred thirty-four".