401023100545 has 8 divisors (see below), whose sum is σ = 484457437800. Its totient is φ = 318665335680.

The previous prime is 401023100521. The next prime is 401023100551. The reversal of 401023100545 is 545001320104.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29342662209 + 371680438336 = 171297^2 + 609656^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 401023100545 - 2³¹ = 398875616897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269142276 + ... + 269143765.

It is an arithmetic number, because the mean of its divisors is an integer number (60557179725).

Almost surely, 2^401023100545 is an apocalyptic number.

It is an amenable number.

401023100545 is a deficient number, since it is larger than the sum of its proper divisors (83434337255).

401023100545 is a wasteful number, since it uses less digits than its factorization.

401023100545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538286195.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 401023100545 its reverse (545001320104), we get a palindrome (946024420649).

The spelling of 401023100545 in words is "four hundred one billion, twenty-three million, one hundred thousand, five hundred forty-five".