40102104343442 has 8 divisors (see below), whose sum is σ = 60153562717500. Its totient is φ = 20050916770944.

The previous prime is 40102104343421. The next prime is 40102104343451. The reversal of 40102104343442 is 24434340120104.

It can be written as a sum of positive squares in 2 ways, for example, as 33478270453681 + 6623833889761 = 5786041^2 + 2573681^2 .

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 = 40102104343399 and 40102104343408.

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, 67329767 + ... + 67922762.

Almost surely, 2^{40102104343442} is an apocalyptic number.

40102104343442 is a deficient number, since it is larger than the sum of its proper divisors (20051458374058).

40102104343442 is a wasteful number, since it uses less digits than its factorization.

40102104343442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135400780.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 40102104343442 its reverse (24434340120104), we get a palindrome (64536444463546).

The spelling of 40102104343442 in words is "forty trillion, one hundred two billion, one hundred four million, three hundred forty-three thousand, four hundred forty-two".