461040037921 has 8 divisors (see below), whose sum is σ = 471831544800. Its totient is φ = 450251696832.

The previous prime is 461040037879. The next prime is 461040037963. The reversal of 461040037921 is 129730040164.

It is an interprime number because it is at equal distance from previous prime (461040037879) and next prime (461040037963).

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-461040037921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461040037121) 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, 495496 + ... + 1080553.

It is an arithmetic number, because the mean of its divisors is an integer number (58978943100).

Almost surely, 2^461040037921 is an apocalyptic number.

It is an amenable number.

461040037921 is a deficient number, since it is larger than the sum of its proper divisors (10791506879).

461040037921 is a wasteful number, since it uses less digits than its factorization.

461040037921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582895.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 461040037921 in words is "four hundred sixty-one billion, forty million, thirty-seven thousand, nine hundred twenty-one".