1040034545040 has 160 divisors (see below), whose sum is σ = 3286700816256. Its totient is φ = 271985172480.

The previous prime is 1040034545029. The next prime is 1040034545047. The reversal of 1040034545040 is 405454300401.

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

It is a junction number, because it is equal to n+sod(n) for n = 1040034544989 and 1040034545007.

It is not an unprimeable number, because it can be changed into a prime (1040034545047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4828279 + ... + 5039081.

Almost surely, 2^{1040034545040} is an apocalyptic number.

1040034545040 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 1040034545040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1643350408128).

1040034545040 is an abundant number, since it is smaller than the sum of its proper divisors (2246666271216).

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

1040034545040 is a wasteful number, since it uses less digits than its factorization.

1040034545040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211217 (or 211211 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 1040034545040 its reverse (405454300401), we get a palindrome (1445488845441).

The spelling of 1040034545040 in words is "one trillion, forty billion, thirty-four million, five hundred forty-five thousand, forty".