401510010 has 128 divisors (see below), whose sum is σ = 1081672704. Its totient is φ = 94568960.

The previous prime is 401510009. The next prime is 401510023. The reversal of 401510010 is 10015104.

It is a happy number.

It is a super-2 number, since 2×401510010² = 322420576260400200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2930662 + ... + 2930798.

It is an arithmetic number, because the mean of its divisors is an integer number (8450568).

Almost surely, 2^401510010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401510010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (540836352).

401510010 is an abundant number, since it is smaller than the sum of its proper divisors (680162694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401510010 is a wasteful number, since it uses less digits than its factorization.

401510010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 401510010 is about 20037.7146900539. The cubic root of 401510010 is about 737.7322895593.

Adding to 401510010 its reverse (10015104), we get a palindrome (411525114).

The spelling of 401510010 in words is "four hundred one million, five hundred ten thousand, ten".