401290025409 has 96 divisors (see below), whose sum is σ = 732258508800. Its totient is φ = 206120889216.

The previous prime is 401290025393. The next prime is 401290025413. The reversal of 401290025409 is 904520092104.

It is not a de Polignac number, because 401290025409 - 2⁴ = 401290025393 is a prime.

It is a super-2 number, since 2×401290025409² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401290025429) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7633914 + ... + 7686300.

It is an arithmetic number, because the mean of its divisors is an integer number (7627692800).

Almost surely, 2^401290025409 is an apocalyptic number.

It is an amenable number.

401290025409 is a deficient number, since it is larger than the sum of its proper divisors (330968483391).

401290025409 is a wasteful number, since it uses less digits than its factorization.

401290025409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52659 (or 52656 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 401290025409 in words is "four hundred one billion, two hundred ninety million, twenty-five thousand, four hundred nine".