203551441466340 has 96 divisors (see below), whose sum is σ = 623355478462080. Its totient is φ = 49218950963200.

The previous prime is 203551441466339. The next prime is 203551441466341. The reversal of 203551441466340 is 43664144155302.

It is an interprime number because it is at equal distance from previous prime (203551441466339) and next prime (203551441466341).

It is a self number, because there is not a number n which added to its sum of digits gives 203551441466340.

It is not an unprimeable number, because it can be changed into a prime (203551441466341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 396158781 + ... + 396672260.

It is an arithmetic number, because the mean of its divisors is an integer number (6493286233980).

Almost surely, 2^{203551441466340} is an apocalyptic number.

203551441466340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203551441466340 is an abundant number, since it is smaller than the sum of its proper divisors (419804036995740).

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

203551441466340 is a wasteful number, since it uses less digits than its factorization.

203551441466340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792831453 (or 792831451 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 203551441466340 in words is "two hundred three trillion, five hundred fifty-one billion, four hundred forty-one million, four hundred sixty-six thousand, three hundred forty".