204034124220440 has 16 divisors (see below), whose sum is σ = 459076779496080. Its totient is φ = 81613649688160.

The previous prime is 204034124220431. The next prime is 204034124220469. The reversal of 204034124220440 is 44022421430402.

It is a junction number, because it is equal to n+sod(n) for n = 204034124220397 and 204034124220406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2550426552716 + ... + 2550426552795.

It is an arithmetic number, because the mean of its divisors is an integer number (28692298718505).

Almost surely, 2^{204034124220440} is an apocalyptic number.

204034124220440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204034124220440 is an abundant number, since it is smaller than the sum of its proper divisors (255042655275640).

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

204034124220440 is a wasteful number, since it uses less digits than its factorization.

204034124220440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5100853105522 (or 5100853105518 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 204034124220440 its reverse (44022421430402), we get a palindrome (248056545650842).

The spelling of 204034124220440 in words is "two hundred four trillion, thirty-four billion, one hundred twenty-four million, two hundred twenty thousand, four hundred forty".