1045101512440 has 96 divisors (see below), whose sum is σ = 2482646474880. Its totient is φ = 395896091904.

The previous prime is 1045101512437. The next prime is 1045101512461. The reversal of 1045101512440 is 442151015401.

It is a junction number, because it is equal to n+sod(n) for n = 1045101512399 and 1045101512408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45720054 + ... + 45742906.

It is an arithmetic number, because the mean of its divisors is an integer number (25860900780).

Almost surely, 2^{1045101512440} is an apocalyptic number.

1045101512440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1045101512440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1241323237440).

1045101512440 is an abundant number, since it is smaller than the sum of its proper divisors (1437544962440).

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

1045101512440 is a wasteful number, since it uses less digits than its factorization.

1045101512440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26069 (or 26046 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 1045101512440 its reverse (442151015401), we get a palindrome (1487252527841).

The spelling of 1045101512440 in words is "one trillion, forty-five billion, one hundred one million, five hundred twelve thousand, four hundred forty".