401486501 has 32 divisors (see below), whose sum is σ = 471598848. Its totient is φ = 338457600.

The previous prime is 401486489. The next prime is 401486507. The reversal of 401486501 is 105684104.

It is not a de Polignac number, because 401486501 - 2¹⁴ = 401470117 is a prime.

It is a super-2 number, since 2×401486501² = 322382820970446002, which 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 (401486507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1768550 + ... + 1768776.

It is an arithmetic number, because the mean of its divisors is an integer number (14737464).

Almost surely, 2^401486501 is an apocalyptic number.

It is an amenable number.

401486501 is a deficient number, since it is larger than the sum of its proper divisors (70112347).

401486501 is a wasteful number, since it uses less digits than its factorization.

401486501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 401486501 is about 20037.1280626741. The cubic root of 401486501 is about 737.7178908424.

The spelling of 401486501 in words is "four hundred one million, four hundred eighty-six thousand, five hundred one".