10445720140 has 24 divisors (see below), whose sum is σ = 21944587392. Its totient is φ = 4176654720.

The previous prime is 10445720123. The next prime is 10445720179. The reversal of 10445720140 is 4102754401.

It is a super-2 number, since 2×10445720140² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10445720099 and 10445720108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48969 + ... + 152608.

It is an arithmetic number, because the mean of its divisors is an integer number (914357808).

Almost surely, 2^10445720140 is an apocalyptic number.

10445720140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10445720140 is an abundant number, since it is smaller than the sum of its proper divisors (11498867252).

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

10445720140 is a wasteful number, since it uses less digits than its factorization.

10445720140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204177 (or 204175 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The spelling of 10445720140 in words is "ten billion, four hundred forty-five million, seven hundred twenty thousand, one hundred forty".