102640301048042 has 8 divisors (see below), whose sum is σ = 154882370444256. Its totient is φ = 51012844233292.

The previous prime is 102640301047913. The next prime is 102640301048083. The reversal of 102640301048042 is 240840103046201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 102640301047993 and 102640301048011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153653144948 + ... + 153653145615.

It is an arithmetic number, because the mean of its divisors is an integer number (19360296305532).

Almost surely, 2^{102640301048042} is an apocalyptic number.

102640301048042 is a deficient number, since it is larger than the sum of its proper divisors (52242069396214).

102640301048042 is a wasteful number, since it uses less digits than its factorization.

102640301048042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307306290732.

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 102640301048042 in words is "one hundred two trillion, six hundred forty billion, three hundred one million, forty-eight thousand, forty-two".