1040045504520 has 256 divisors, whose sum is σ = 3679771161600. Its totient is φ = 232406184960.

The previous prime is 1040045504471. The next prime is 1040045504567. The reversal of 1040045504520 is 254055400401.

It is a super-2 number, since 2×1040045504520² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 367567 + ... + 1488353.

It is an arithmetic number, because the mean of its divisors is an integer number (14374106100).

Almost surely, 2^{1040045504520} is an apocalyptic number.

1040045504520 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 1040045504520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1839885580800).

1040045504520 is an abundant number, since it is smaller than the sum of its proper divisors (2639725657080).

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

1040045504520 is a wasteful number, since it uses less digits than its factorization.

1040045504520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120868 (or 1120864 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The spelling of 1040045504520 in words is "one trillion, forty billion, forty-five million, five hundred four thousand, five hundred twenty".