1040323151020 has 48 divisors (see below), whose sum is σ = 2223019008000. Its totient is φ = 408834659520.

The previous prime is 1040323151009. The next prime is 1040323151029. The reversal of 1040323151020 is 201513230401.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1040323150982 and 1040323151000.

It is not an unprimeable number, because it can be changed into a prime (1040323151029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1745365 + ... + 2264275.

It is an arithmetic number, because the mean of its divisors is an integer number (46312896000).

Almost surely, 2^{1040323151020} is an apocalyptic number.

1040323151020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040323151020 is an abundant number, since it is smaller than the sum of its proper divisors (1182695856980).

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

1040323151020 is a wasteful number, since it uses less digits than its factorization.

1040323151020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520678 (or 520676 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 1040323151020 its reverse (201513230401), we get a palindrome (1241836381421).

The spelling of 1040323151020 in words is "one trillion, forty billion, three hundred twenty-three million, one hundred fifty-one thousand, twenty".