401219322501 has 16 divisors (see below), whose sum is σ = 551881240064. Its totient is φ = 259083313344.

The previous prime is 401219322481. The next prime is 401219322529. The reversal of 401219322501 is 105223912104.

It is not a de Polignac number, because 401219322501 - 2⁶ = 401219322437 is a prime.

It is a super-2 number, since 2×401219322501² (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 (401219322551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8079706 + ... + 8129211.

It is an arithmetic number, because the mean of its divisors is an integer number (34492577504).

Almost surely, 2^401219322501 is an apocalyptic number.

It is an amenable number.

401219322501 is a deficient number, since it is larger than the sum of its proper divisors (150661917563).

401219322501 is a wasteful number, since it uses less digits than its factorization.

401219322501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16209180.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 401219322501 in words is "four hundred one billion, two hundred nineteen million, three hundred twenty-two thousand, five hundred one".