401501005401 has 32 divisors (see below), whose sum is σ = 554922897408. Its totient is φ = 258073262720.

The previous prime is 401501005393. The next prime is 401501005441. The reversal of 401501005401 is 104500105104.

It is a cyclic number.

It is not a de Polignac number, because 401501005401 - 2³ = 401501005393 is a prime.

It is a super-2 number, since 2×401501005401² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401501005441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2451196 + ... + 2609858.

It is an arithmetic number, because the mean of its divisors is an integer number (17341340544).

Almost surely, 2^401501005401 is an apocalyptic number.

It is an amenable number.

401501005401 is a deficient number, since it is larger than the sum of its proper divisors (153421892007).

401501005401 is a wasteful number, since it uses less digits than its factorization.

401501005401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158981.

The product of its (nonzero) digits is 400, while the sum is 21.

The spelling of 401501005401 in words is "four hundred one billion, five hundred one million, five thousand, four hundred one".