10142426656340 has 48 divisors (see below), whose sum is σ = 23236112571840. Its totient is φ = 3688038458880.

The previous prime is 10142426656321. The next prime is 10142426656343. The reversal of 10142426656340 is 4365662424101.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 10142426656291 and 10142426656300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10142426656343) 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, 6397916 + ... + 7824204.

It is an arithmetic number, because the mean of its divisors is an integer number (484085678580).

Almost surely, 2^{10142426656340} is an apocalyptic number.

10142426656340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10142426656340 is an abundant number, since it is smaller than the sum of its proper divisors (13093685915500).

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

10142426656340 is a wasteful number, since it uses less digits than its factorization.

10142426656340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458632 (or 1458630 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 10142426656340 in words is "ten trillion, one hundred forty-two billion, four hundred twenty-six million, six hundred fifty-six thousand, three hundred forty".