40235407403261 has 8 divisors (see below), whose sum is σ = 46038791176320. Its totient is φ = 34445890737648.

The previous prime is 40235407403203. The next prime is 40235407403291. The reversal of 40235407403261 is 16230470453204.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40235407403261 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 (40235407403291) 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, 3466770641 + ... + 3466782246.

It is an arithmetic number, because the mean of its divisors is an integer number (5754848897040).

Almost surely, 2^{40235407403261} is an apocalyptic number.

It is an amenable number.

40235407403261 is a deficient number, since it is larger than the sum of its proper divisors (5803383773059).

40235407403261 is an equidigital number, since it uses as much as digits as its factorization.

40235407403261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6933553723.

The product of its (nonzero) digits is 483840, while the sum is 41.

Adding to 40235407403261 its reverse (16230470453204), we get a palindrome (56465877856465).

The spelling of 40235407403261 in words is "forty trillion, two hundred thirty-five billion, four hundred seven million, four hundred three thousand, two hundred sixty-one".