40402340011023 has 8 divisors (see below), whose sum is σ = 53869854188928. Its totient is φ = 26934859586904.

The previous prime is 40402340011009. The next prime is 40402340011063. The reversal of 40402340011023 is 32011004320404.

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

It is not a de Polignac number, because 40402340011023 - 2⁶ = 40402340010959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40402340010984 and 40402340011002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40402340011003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5499261 + ... + 10537862.

It is an arithmetic number, because the mean of its divisors is an integer number (6733731773616).

Almost surely, 2^{40402340011023} is an apocalyptic number.

40402340011023 is a deficient number, since it is larger than the sum of its proper divisors (13467514177905).

40402340011023 is a wasteful number, since it uses less digits than its factorization.

40402340011023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16876893.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 40402340011023 its reverse (32011004320404), we get a palindrome (72413344331427).

The spelling of 40402340011023 in words is "forty trillion, four hundred two billion, three hundred forty million, eleven thousand, twenty-three".