40430466961 has 4 divisors (see below), whose sum is σ = 40446991872. Its totient is φ = 40413942052.

The previous prime is 40430466929. The next prime is 40430467013. The reversal of 40430466961 is 16966403404.

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 40430466961 - 2⁵ = 40430466929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40430466911) 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, 8258785 + ... + 8263678.

It is an arithmetic number, because the mean of its divisors is an integer number (10111747968).

Almost surely, 2^40430466961 is an apocalyptic number.

It is an amenable number.

40430466961 is a deficient number, since it is larger than the sum of its proper divisors (16524911).

40430466961 is a wasteful number, since it uses less digits than its factorization.

40430466961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16524910.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 40430466961 in words is "forty billion, four hundred thirty million, four hundred sixty-six thousand, nine hundred sixty-one".