401547172575 has 12 divisors (see below), whose sum is σ = 663891325448. Its totient is φ = 214158492000.

The previous prime is 401547172573. The next prime is 401547172613. The reversal of 401547172575 is 575271745104.

It is not a de Polignac number, because 401547172575 - 2¹ = 401547172573 is a prime.

It is a super-2 number, since 2×401547172575² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401547172573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2676981076 + ... + 2676981225.

Almost surely, 2^401547172575 is an apocalyptic number.

401547172575 is a deficient number, since it is larger than the sum of its proper divisors (262344152873).

401547172575 is a wasteful number, since it uses less digits than its factorization.

401547172575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5353962314 (or 5353962309 counting only the distinct ones).

The product of its (nonzero) digits is 1372000, while the sum is 48.

The spelling of 401547172575 in words is "four hundred one billion, five hundred forty-seven million, one hundred seventy-two thousand, five hundred seventy-five".