1040804748240 has 80 divisors (see below), whose sum is σ = 3416288539968. Its totient is φ = 261221582848.

The previous prime is 1040804748229. The next prime is 1040804748251. The reversal of 1040804748240 is 428474080401.

It is an interprime number because it is at equal distance from previous prime (1040804748229) and next prime (1040804748251).

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1040804748192 and 1040804748201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127545522 + ... + 127553681.

Almost surely, 2^{1040804748240} is an apocalyptic number.

1040804748240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040804748240 is an abundant number, since it is smaller than the sum of its proper divisors (2375483791728).

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

1040804748240 is a wasteful number, since it uses less digits than its factorization.

1040804748240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255099236 (or 255099230 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 42.

The spelling of 1040804748240 in words is "one trillion, forty billion, eight hundred four million, seven hundred forty-eight thousand, two hundred forty".