401624623401 has 8 divisors (see below), whose sum is σ = 535529892960. Its totient is φ = 267734551392.

The previous prime is 401624623397. The next prime is 401624623409. The reversal of 401624623401 is 104326426104.

It is a happy number.

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

It is not a de Polignac number, because 401624623401 - 2² = 401624623397 is a prime.

It is a super-2 number, since 2×401624623401² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401624623409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3737580 + ... + 3843533.

It is an arithmetic number, because the mean of its divisors is an integer number (66941236620).

Almost surely, 2^401624623401 is an apocalyptic number.

It is an amenable number.

401624623401 is a deficient number, since it is larger than the sum of its proper divisors (133905269559).

401624623401 is a wasteful number, since it uses less digits than its factorization.

401624623401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7598775.

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 401624623401 in words is "four hundred one billion, six hundred twenty-four million, six hundred twenty-three thousand, four hundred one".