401047424641 has 4 divisors (see below), whose sum is σ = 406123974400. Its totient is φ = 395970874884.

The previous prime is 401047424593. The next prime is 401047424653. The reversal of 401047424641 is 146424740104.

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 a de Polignac number, because none of the positive numbers 2^k-401047424641 is a prime.

It is a super-2 number, since 2×401047424641² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401047424641.

It is not an unprimeable number, because it can be changed into a prime (401047424741) 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, 2538274761 + ... + 2538274918.

It is an arithmetic number, because the mean of its divisors is an integer number (101530993600).

Almost surely, 2^401047424641 is an apocalyptic number.

It is an amenable number.

401047424641 is a deficient number, since it is larger than the sum of its proper divisors (5076549759).

401047424641 is an equidigital number, since it uses as much as digits as its factorization.

401047424641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5076549758.

The product of its (nonzero) digits is 86016, while the sum is 37.

The spelling of 401047424641 in words is "four hundred one billion, forty-seven million, four hundred twenty-four thousand, six hundred forty-one".