10520541240 has 64 divisors (see below), whose sum is σ = 34430866560. Its totient is φ = 2550433920.

The previous prime is 10520541223. The next prime is 10520541253. The reversal of 10520541240 is 4214502501.

It is a super-2 number, since 2×10520541240² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 10520541240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3983734 + ... + 3986373.

It is an arithmetic number, because the mean of its divisors is an integer number (537982290).

Almost surely, 2^10520541240 is an apocalyptic number.

10520541240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10520541240 is an abundant number, since it is smaller than the sum of its proper divisors (23910325320).

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

10520541240 is a wasteful number, since it uses less digits than its factorization.

10520541240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7970132 (or 7970128 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The spelling of 10520541240 in words is "ten billion, five hundred twenty million, five hundred forty-one thousand, two hundred forty".