450117444537642 has 64 divisors (see below), whose sum is σ = 1029477688786944. Its totient is φ = 128525278754880.

The previous prime is 450117444537493. The next prime is 450117444537667. The reversal of 450117444537642 is 246735444711054.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 505132663 + ... + 506022965.

It is an arithmetic number, because the mean of its divisors is an integer number (16085588887296).

Almost surely, 2^{450117444537642} is an apocalyptic number.

450117444537642 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

450117444537642 is an abundant number, since it is smaller than the sum of its proper divisors (579360244249302).

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

450117444537642 is a wasteful number, since it uses less digits than its factorization.

450117444537642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897763.

The product of its (nonzero) digits is 45158400, while the sum is 57.

The spelling of 450117444537642 in words is "four hundred fifty trillion, one hundred seventeen billion, four hundred forty-four million, five hundred thirty-seven thousand, six hundred forty-two".