63440250360554 has 16 divisors (see below), whose sum is σ = 95246066446848. Its totient is φ = 31691574403632.

The previous prime is 63440250360523. The next prime is 63440250360587. The reversal of 63440250360554 is 45506305204436.

It is a junction number, because it is equal to n+sod(n) for n = 63440250360499 and 63440250360508.

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, 6661667 + ... + 13086569.

It is an arithmetic number, because the mean of its divisors is an integer number (5952879152928).

Almost surely, 2^{63440250360554} is an apocalyptic number.

63440250360554 is a deficient number, since it is larger than the sum of its proper divisors (31805816086294).

63440250360554 is a wasteful number, since it uses less digits than its factorization.

63440250360554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6429349.

The product of its (nonzero) digits is 5184000, while the sum is 47.

The spelling of 63440250360554 in words is "sixty-three trillion, four hundred forty billion, two hundred fifty million, three hundred sixty thousand, five hundred fifty-four".