10140420401428 has 6 divisors (see below), whose sum is σ = 17745735702506. Its totient is φ = 5070210200712.

The previous prime is 10140420401369. The next prime is 10140420401429. The reversal of 10140420401428 is 82410402404101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9992350900624 + 148069500804 = 3161068^2 + 384798^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10140420401428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10140420401429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1267552550175 + ... + 1267552550182.

Almost surely, 2^{10140420401428} is an apocalyptic number.

It is an amenable number.

10140420401428 is a deficient number, since it is larger than the sum of its proper divisors (7605315301078).

10140420401428 is a wasteful number, since it uses less digits than its factorization.

10140420401428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535105100361 (or 2535105100359 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 31.

Adding to 10140420401428 its reverse (82410402404101), we get a palindrome (92550822805529).

The spelling of 10140420401428 in words is "ten trillion, one hundred forty billion, four hundred twenty million, four hundred one thousand, four hundred twenty-eight".