401445200154515 has 16 divisors (see below), whose sum is σ = 527823145277280. Its totient is φ = 290685210424320.

The previous prime is 401445200154377. The next prime is 401445200154533. The reversal of 401445200154515 is 515451002544104.

It is not a de Polignac number, because 401445200154515 - 2³⁸ = 401170322247571 is a prime.

It is a super-2 number, since 2×401445200154515² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15936676574 + ... + 15936701763.

It is an arithmetic number, because the mean of its divisors is an integer number (32988946579830).

Almost surely, 2^{401445200154515} is an apocalyptic number.

401445200154515 is a deficient number, since it is larger than the sum of its proper divisors (126377945122765).

401445200154515 is a wasteful number, since it uses less digits than its factorization.

401445200154515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31873378582.

The product of its (nonzero) digits is 320000, while the sum is 41.

Adding to 401445200154515 its reverse (515451002544104), we get a palindrome (916896202698619).

The spelling of 401445200154515 in words is "four hundred one trillion, four hundred forty-five billion, two hundred million, one hundred fifty-four thousand, five hundred fifteen".