1040965915780 has 96 divisors (see below), whose sum is σ = 2628422318592. Its totient is φ = 338786841600.

The previous prime is 1040965915757. The next prime is 1040965915783. The reversal of 1040965915780 is 875195690401.

It is a happy number.

1040965915780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1040965915780² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1040965915783) 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, 2238336 + ... + 2663095.

It is an arithmetic number, because the mean of its divisors is an integer number (27379399152).

Almost surely, 2^{1040965915780} is an apocalyptic number.

1040965915780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040965915780 is an abundant number, since it is smaller than the sum of its proper divisors (1587456402812).

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

1040965915780 is a wasteful number, since it uses less digits than its factorization.

1040965915780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4901525 (or 4901523 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 55.

The spelling of 1040965915780 in words is "one trillion, forty billion, nine hundred sixty-five million, nine hundred fifteen thousand, seven hundred eighty".