3520926720000 has 840 divisors, whose sum is σ = 12844512174780. Its totient is φ = 928972800000.

The previous prime is 3520926719987. The next prime is 3520926720013. The reversal of 3520926720000 is 276290253.

It is an interprime number because it is at equal distance from previous prime (3520926719987) and next prime (3520926720013).

It can be written as a sum of positive squares in 10 ways, for example, as 1430654976 + 3519496065024 = 37824^2 + 1876032^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 5022719650 + ... + 5022720350.

Almost surely, 2^{3520926720000} is an apocalyptic number.

3520926720000 is a gapful number since it is divisible by the number (30) 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 3520926720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6422256087390).

3520926720000 is an abundant number, since it is smaller than the sum of its proper divisors (9323585454780).

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

3520926720000 is an equidigital number, since it uses as much as digits as its factorization.

3520926720000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 3520926720000 in words is "three trillion, five hundred twenty billion, nine hundred twenty-six million, seven hundred twenty thousand".