40242123343402 has 48 divisors (see below), whose sum is σ = 64728667242432. Its totient is φ = 18758843913600.

The previous prime is 40242123343393. The next prime is 40242123343427. The reversal of 40242123343402 is 20434332124204.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9940498 + ... + 13390210.

It is an arithmetic number, because the mean of its divisors is an integer number (1348513900884).

Almost surely, 2^{40242123343402} is an apocalyptic number.

40242123343402 is a deficient number, since it is larger than the sum of its proper divisors (24486543899030).

40242123343402 is a wasteful number, since it uses less digits than its factorization.

40242123343402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450011 (or 3449992 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 40242123343402 its reverse (20434332124204), we get a palindrome (60676455467606).

The spelling of 40242123343402 in words is "forty trillion, two hundred forty-two billion, one hundred twenty-three million, three hundred forty-three thousand, four hundred two".