401144645015 has 8 divisors (see below), whose sum is σ = 481588774560. Its totient is φ = 320772248992.

The previous prime is 401144644949. The next prime is 401144645039. The reversal of 401144645015 is 510546441104.

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

It is a cyclic number.

It is not a de Polignac number, because 401144645015 - 2⁸ = 401144644759 is a prime.

It is a congruent number.

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, 17921075 + ... + 17943444.

It is an arithmetic number, because the mean of its divisors is an integer number (60198596820).

Almost surely, 2^401144645015 is an apocalyptic number.

401144645015 is a deficient number, since it is larger than the sum of its proper divisors (80444129545).

401144645015 is a wasteful number, since it uses less digits than its factorization.

401144645015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35866761.

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 401144645015 in words is "four hundred one billion, one hundred forty-four million, six hundred forty-five thousand, fifteen".