434442311238 has 64 divisors (see below), whose sum is σ = 985093804800. Its totient is φ = 126623191680.

The previous prime is 434442311213. The next prime is 434442311269. The reversal of 434442311238 is 832113244434.

It is a super-2 number, since 2×434442311238² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 434442311196 and 434442311205.

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 31 ways as a sum of consecutive naturals, for example, 17372848 + ... + 17397836.

It is an arithmetic number, because the mean of its divisors is an integer number (15392090700).

Almost surely, 2^434442311238 is an apocalyptic number.

434442311238 is an abundant number, since it is smaller than the sum of its proper divisors (550651493562).

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

434442311238 is a wasteful number, since it uses less digits than its factorization.

434442311238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36757.

The product of its digits is 221184, while the sum is 39.

The spelling of 434442311238 in words is "four hundred thirty-four billion, four hundred forty-two million, three hundred eleven thousand, two hundred thirty-eight".