434243510040 has 64 divisors (see below), whose sum is σ = 1333026604800. Its totient is φ = 113105284992.

The previous prime is 434243510033. The next prime is 434243510059. The reversal of 434243510040 is 40015342434.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42072700 + ... + 42083019.

It is an arithmetic number, because the mean of its divisors is an integer number (20828540700).

Almost surely, 2^434243510040 is an apocalyptic number.

434243510040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

434243510040 is an abundant number, since it is smaller than the sum of its proper divisors (898783094760).

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

434243510040 is a wasteful number, since it uses less digits than its factorization.

434243510040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84155776 (or 84155772 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 434243510040 its reverse (40015342434), we get a palindrome (474258852474).

The spelling of 434243510040 in words is "four hundred thirty-four billion, two hundred forty-three million, five hundred ten thousand, forty".