1023415544442 has 8 divisors (see below), whose sum is σ = 2046831088896. Its totient is φ = 341138514812.

The previous prime is 1023415544419. The next prime is 1023415544447. The reversal of 1023415544442 is 2444455143201.

It is a sphenic number, since it is the product of 3 distinct primes.

1023415544442 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1023415544442.

It is not an unprimeable number, because it can be changed into a prime (1023415544447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85284628698 + ... + 85284628709.

It is an arithmetic number, because the mean of its divisors is an integer number (255853886112).

Almost surely, 2^{1023415544442} is an apocalyptic number.

1023415544442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1023415544442 is a wasteful number, since it uses less digits than its factorization.

1023415544442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170569257412.

The product of its (nonzero) digits is 307200, while the sum is 39.

The spelling of 1023415544442 in words is "one trillion, twenty-three billion, four hundred fifteen million, five hundred forty-four thousand, four hundred forty-two".