10142687380 has 72 divisors (see below), whose sum is σ = 25244758728. Its totient is φ = 3411862272.

The previous prime is 10142687377. The next prime is 10142687381. The reversal of 10142687380 is 8378624101.

It can be written as a sum of positive squares in 4 ways, for example, as 3107839504 + 7034847876 = 55748^2 + 83874^2 .

It is a super-2 number, since 2×10142687380² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10142687381) 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 23 ways as a sum of consecutive naturals, for example, 45699 + ... + 149578.

It is an arithmetic number, because the mean of its divisors is an integer number (350621649).

Almost surely, 2^10142687380 is an apocalyptic number.

10142687380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10142687380 is an abundant number, since it is smaller than the sum of its proper divisors (15102071348).

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

10142687380 is a wasteful number, since it uses less digits than its factorization.

10142687380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195353 (or 195344 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 10142687380 in words is "ten billion, one hundred forty-two million, six hundred eighty-seven thousand, three hundred eighty".