1040212344320 has 40 divisors (see below), whose sum is σ = 2494071634824. Its totient is φ = 416084936704.

The previous prime is 1040212344317. The next prime is 1040212344323. The reversal of 1040212344320 is 234432120401.

It is an interprime number because it is at equal distance from previous prime (1040212344317) and next prime (1040212344323).

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 1040212344320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040212344323) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 203163914 + ... + 203169033.

Almost surely, 2^{1040212344320} is an apocalyptic number.

1040212344320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040212344320 is an abundant number, since it is smaller than the sum of its proper divisors (1453859290504).

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

1040212344320 is an frugal number, since it uses more digits than its factorization.

1040212344320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406332970 (or 406332954 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1040212344320 its reverse (234432120401), we get a palindrome (1274644464721).

The spelling of 1040212344320 in words is "one trillion, forty billion, two hundred twelve million, three hundred forty-four thousand, three hundred twenty".