401415520403 has 4 divisors (see below), whose sum is σ = 412264588560. Its totient is φ = 390566452248.

The previous prime is 401415520351. The next prime is 401415520411. The reversal of 401415520403 is 304025514104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401415520403 - 2³² = 397120553107 is a prime.

It is a super-2 number, since 2×401415520403² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401415520603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5424534023 + ... + 5424534096.

It is an arithmetic number, because the mean of its divisors is an integer number (103066147140).

Almost surely, 2^401415520403 is an apocalyptic number.

401415520403 is a deficient number, since it is larger than the sum of its proper divisors (10849068157).

401415520403 is a wasteful number, since it uses less digits than its factorization.

401415520403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10849068156.

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 401415520403 in words is "four hundred one billion, four hundred fifteen million, five hundred twenty thousand, four hundred three".