401423055405215 has 32 divisors (see below), whose sum is σ = 503719059696576. Its totient is φ = 306896886236160.

The previous prime is 401423055405187. The next prime is 401423055405263. The reversal of 401423055405215 is 512504550324104.

It is a happy number.

It is not a de Polignac number, because 401423055405215 - 2²⁴ = 401423038627999 is a prime.

It is a super-2 number, since 2×401423055405215² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133055492 + ... + 136039001.

It is an arithmetic number, because the mean of its divisors is an integer number (15741220615518).

Almost surely, 2^{401423055405215} is an apocalyptic number.

401423055405215 is a deficient number, since it is larger than the sum of its proper divisors (102296004291361).

401423055405215 is a wasteful number, since it uses less digits than its factorization.

401423055405215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269094699.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 401423055405215 in words is "four hundred one trillion, four hundred twenty-three billion, fifty-five million, four hundred five thousand, two hundred fifteen".