102040144004 has 12 divisors (see below), whose sum is σ = 189074384604. Its totient is φ = 48018891264.

The previous prime is 102040144001. The next prime is 102040144013. The reversal of 102040144004 is 400441040201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30429313600 + 71610830404 = 174440^2 + 267602^2 .

It is not an unprimeable number, because it can be changed into a prime (102040144001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750295109 + ... + 750295244.

It is an arithmetic number, because the mean of its divisors is an integer number (15756198717).

Almost surely, 2^102040144004 is an apocalyptic number.

It is an amenable number.

102040144004 is a deficient number, since it is larger than the sum of its proper divisors (87034240600).

102040144004 is a wasteful number, since it uses less digits than its factorization.

102040144004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500590374 (or 1500590372 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 102040144004 its reverse (400441040201), we get a palindrome (502481184205).

The spelling of 102040144004 in words is "one hundred two billion, forty million, one hundred forty-four thousand, four".