434780785140 has 96 divisors (see below), whose sum is σ = 1319074813056. Its totient is φ = 106366348800.

The previous prime is 434780785111. The next prime is 434780785157. The reversal of 434780785140 is 41587087434.

It is a super-2 number, since 2×434780785140² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1582711 + ... + 1836990.

It is an arithmetic number, because the mean of its divisors is an integer number (13740362636).

Almost surely, 2^434780785140 is an apocalyptic number.

It is an amenable number.

434780785140 is an abundant number, since it is smaller than the sum of its proper divisors (884294027916).

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

434780785140 is a wasteful number, since it uses less digits than its factorization.

434780785140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3419889 (or 3419887 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 51.

The spelling of 434780785140 in words is "four hundred thirty-four billion, seven hundred eighty million, seven hundred eighty-five thousand, one hundred forty".