40534295826389 has 4 divisors (see below), whose sum is σ = 41932030165260. Its totient is φ = 39136561487520.

The previous prime is 40534295826383. The next prime is 40534295826413. The reversal of 40534295826389 is 98362859243504.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18254555326225 + 22279740500164 = 4272535^2 + 4720142^2 .

It is a cyclic number.

It is not a de Polignac number, because 40534295826389 - 2³² = 40530000859093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40534295826383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698867169392 + ... + 698867169449.

It is an arithmetic number, because the mean of its divisors is an integer number (10483007541315).

Almost surely, 2^{40534295826389} is an apocalyptic number.

It is an amenable number.

40534295826389 is a deficient number, since it is larger than the sum of its proper divisors (1397734338871).

40534295826389 is a wasteful number, since it uses less digits than its factorization.

40534295826389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397734338870.

The product of its (nonzero) digits is 447897600, while the sum is 68.

The spelling of 40534295826389 in words is "forty trillion, five hundred thirty-four billion, two hundred ninety-five million, eight hundred twenty-six thousand, three hundred eighty-nine".