1320924088840 has 32 divisors (see below), whose sum is σ = 2974759263000. Its totient is φ = 527893179904.

The previous prime is 1320924088837. The next prime is 1320924088843. The reversal of 1320924088840 is 488804290231.

It is an interprime number because it is at equal distance from previous prime (1320924088837) and next prime (1320924088843).

It can be written as a sum of positive squares in 4 ways, for example, as 1028954611876 + 291969476964 = 1014374^2 + 540342^2 .

It is not an unprimeable number, because it can be changed into a prime (1320924088843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14844325 + ... + 14933044.

Almost surely, 2^{1320924088840} is an apocalyptic number.

1320924088840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320924088840 is an abundant number, since it is smaller than the sum of its proper divisors (1653835174160).

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

1320924088840 is a wasteful number, since it uses less digits than its factorization.

1320924088840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29778489 (or 29778485 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 49.

The spelling of 1320924088840 in words is "one trillion, three hundred twenty billion, nine hundred twenty-four million, eighty-eight thousand, eight hundred forty".