434987239984 has 40 divisors (see below), whose sum is σ = 919644902352. Its totient is φ = 197669848320.

The previous prime is 434987239949. The next prime is 434987239993. The reversal of 434987239984 is 489932789434.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357402 + ... + 998854.

Almost surely, 2^434987239984 is an apocalyptic number.

434987239984 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

434987239984 is an abundant number, since it is smaller than the sum of its proper divisors (484657662368).

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

434987239984 is a wasteful number, since it uses less digits than its factorization.

434987239984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645325 (or 645319 counting only the distinct ones).

The product of its digits is 376233984, while the sum is 70.

The spelling of 434987239984 in words is "four hundred thirty-four billion, nine hundred eighty-seven million, two hundred thirty-nine thousand, nine hundred eighty-four".