40346322061 has 4 divisors (see below), whose sum is σ = 40354378624. Its totient is φ = 40338265500.

The previous prime is 40346322059. The next prime is 40346322067. The reversal of 40346322061 is 16022364304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40346322061 - 2¹ = 40346322059 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 (40346322067) 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, 4020765 + ... + 4030786.

It is an arithmetic number, because the mean of its divisors is an integer number (10088594656).

Almost surely, 2^40346322061 is an apocalyptic number.

It is an amenable number.

40346322061 is a deficient number, since it is larger than the sum of its proper divisors (8056563).

40346322061 is an equidigital number, since it uses as much as digits as its factorization.

40346322061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8056562.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 40346322061 its reverse (16022364304), we get a palindrome (56368686365).

It can be divided in two parts, 403463 and 22061, that added together give a palindrome (425524).

The spelling of 40346322061 in words is "forty billion, three hundred forty-six million, three hundred twenty-two thousand, sixty-one".