40235263257346 has 4 divisors (see below), whose sum is σ = 60352894886022. Its totient is φ = 20117631628672.

The previous prime is 40235263257341. The next prime is 40235263257361. The reversal of 40235263257346 is 64375236253204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21765854521321 + 18469408736025 = 4665389^2 + 4297605^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40235263257293 and 40235263257302.

It is not an unprimeable number, because it can be changed into a prime (40235263257341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10058815814335 + ... + 10058815814338.

Almost surely, 2^{40235263257346} is an apocalyptic number.

40235263257346 is a deficient number, since it is larger than the sum of its proper divisors (20117631628676).

40235263257346 is a wasteful number, since it uses less digits than its factorization.

40235263257346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20117631628675.

The product of its (nonzero) digits is 21772800, while the sum is 52.

The spelling of 40235263257346 in words is "forty trillion, two hundred thirty-five billion, two hundred sixty-three million, two hundred fifty-seven thousand, three hundred forty-six".