10525443240 has 128 divisors (see below), whose sum is σ = 36005679360. Its totient is φ = 2438467584.

The previous prime is 10525443233. The next prime is 10525443263. The reversal of 10525443240 is 4234452501.

It is a super-2 number, since 2×10525443240² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 10525443198 and 10525443207.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171924 + ... + 224963.

It is an arithmetic number, because the mean of its divisors is an integer number (281294370).

Almost surely, 2^10525443240 is an apocalyptic number.

10525443240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10525443240 is an abundant number, since it is smaller than the sum of its proper divisors (25480236120).

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

10525443240 is a wasteful number, since it uses less digits than its factorization.

10525443240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396931 (or 396927 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 10525443240 its reverse (4234452501), we get a palindrome (14759895741).

The spelling of 10525443240 in words is "ten billion, five hundred twenty-five million, four hundred forty-three thousand, two hundred forty".