10453209440 has 48 divisors (see below), whose sum is σ = 24710504112. Its totient is φ = 4178778624.

The previous prime is 10453209439. The next prime is 10453209443. The reversal of 10453209440 is 4490235401.

It is a super-2 number, since 2×10453209440² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 10453209397 and 10453209406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10453209443) 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, 260822 + ... + 298218.

It is an arithmetic number, because the mean of its divisors is an integer number (514802169).

Almost surely, 2^10453209440 is an apocalyptic number.

10453209440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10453209440 is an abundant number, since it is smaller than the sum of its proper divisors (14257294672).

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

10453209440 is a wasteful number, since it uses less digits than its factorization.

10453209440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39159 (or 39151 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 10453209440 in words is "ten billion, four hundred fifty-three million, two hundred nine thousand, four hundred forty".