10452120240 has 80 divisors (see below), whose sum is σ = 32588994528. Its totient is φ = 2771109888.

The previous prime is 10452120233. The next prime is 10452120241. The reversal of 10452120240 is 4202125401.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×10452120240² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10452120241) 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, 84349 + ... + 167388.

Almost surely, 2^10452120240 is an apocalyptic number.

10452120240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10452120240 is an abundant number, since it is smaller than the sum of its proper divisors (22136874288).

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

10452120240 is a wasteful number, since it uses less digits than its factorization.

10452120240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251926 (or 251920 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 10452120240 its reverse (4202125401), we get a palindrome (14654245641).

The spelling of 10452120240 in words is "ten billion, four hundred fifty-two million, one hundred twenty thousand, two hundred forty".