401064510 has 192 divisors, whose sum is σ = 1294237440. Its totient is φ = 78382080.

The previous prime is 401064481. The next prime is 401064511. The reversal of 401064510 is 15460104.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401064511) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 274161 + ... + 275619.

It is an arithmetic number, because the mean of its divisors is an integer number (6740820).

Almost surely, 2^401064510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401064510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (647118720).

401064510 is an abundant number, since it is smaller than the sum of its proper divisors (893172930).

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

401064510 is a wasteful number, since it uses less digits than its factorization.

401064510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511 (or 1504 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 401064510 is about 20026.5950675595. The cubic root of 401064510 is about 737.4593354961.

The spelling of 401064510 in words is "four hundred one million, sixty-four thousand, five hundred ten".