10158626440 has 32 divisors (see below), whose sum is σ = 22934945880. Its totient is φ = 4049577472.

The previous prime is 10158626417. The next prime is 10158626447. The reversal of 10158626440 is 4462685101.

It can be written as a sum of positive squares in 4 ways, for example, as 9756303076 + 402323364 = 98774^2 + 20058^2 .

It is a super-2 number, since 2×10158626440² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10158626440.

It is not an unprimeable number, because it can be changed into a prime (10158626447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421669 + ... + 445108.

Almost surely, 2^10158626440 is an apocalyptic number.

10158626440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10158626440 is an abundant number, since it is smaller than the sum of its proper divisors (12776319440).

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

10158626440 is a wasteful number, since it uses less digits than its factorization.

10158626440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867081 (or 867077 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 10158626440 in words is "ten billion, one hundred fifty-eight million, six hundred twenty-six thousand, four hundred forty".