102342402044 has 6 divisors (see below), whose sum is σ = 179099203584. Its totient is φ = 51171201020.

The previous prime is 102342402031. The next prime is 102342402053. The reversal of 102342402044 is 440204243201.

It is a happy number.

It is a super-2 number, since 2×102342402044² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12792800252 + ... + 12792800259.

It is an arithmetic number, because the mean of its divisors is an integer number (29849867264).

Almost surely, 2^102342402044 is an apocalyptic number.

It is an amenable number.

102342402044 is a deficient number, since it is larger than the sum of its proper divisors (76756801540).

102342402044 is a wasteful number, since it uses less digits than its factorization.

102342402044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25585600515 (or 25585600513 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 102342402044 its reverse (440204243201), we get a palindrome (542546645245).

The spelling of 102342402044 in words is "one hundred two billion, three hundred forty-two million, four hundred two thousand, forty-four".