720010009837956 has 48 divisors (see below), whose sum is σ = 1778850299983680. Its totient is φ = 225885234186240.

The previous prime is 720010009837949. The next prime is 720010009837957. The reversal of 720010009837956 is 659738900010027.

It is a junction number, because it is equal to n+sod(n) for n = 720010009837896 and 720010009837905.

It is not an unprimeable number, because it can be changed into a prime (720010009837957) 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, 257815351 + ... + 260593121.

It is an arithmetic number, because the mean of its divisors is an integer number (37059381249660).

Almost surely, 2^{720010009837956} is an apocalyptic number.

It is an amenable number.

720010009837956 is an abundant number, since it is smaller than the sum of its proper divisors (1058840290145724).

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

720010009837956 is a wasteful number, since it uses less digits than its factorization.

720010009837956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4048404 (or 4048402 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 57.

The spelling of 720010009837956 in words is "seven hundred twenty trillion, ten billion, nine million, eight hundred thirty-seven thousand, nine hundred fifty-six".