1356990923808 has 960 divisors, whose sum is σ = 4579408576512. Its totient is φ = 391283343360.

The previous prime is 1356990923753. The next prime is 1356990923863. The reversal of 1356990923808 is 8083290996531.

It is an interprime number because it is at equal distance from previous prime (1356990923753) and next prime (1356990923863).

It is a super-2 number, since 2×1356990923808² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 7031040960 + ... + 7031041152.

Almost surely, 2^{1356990923808} is an apocalyptic number.

1356990923808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1356990923808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2289704288256).

1356990923808 is an abundant number, since it is smaller than the sum of its proper divisors (3222417652704).

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

1356990923808 is a wasteful number, since it uses less digits than its factorization.

1356990923808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 63.

The spelling of 1356990923808 in words is "one trillion, three hundred fifty-six billion, nine hundred ninety million, nine hundred twenty-three thousand, eight hundred eight".