401259430 has 64 divisors (see below), whose sum is σ = 852441408. Its totient is φ = 134069760.

The previous prime is 401259409. The next prime is 401259431. The reversal of 401259430 is 34952104.

It is a super-2 number, since 2×401259430² = 322018260327849800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401259431) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 395604 + ... + 396616.

It is an arithmetic number, because the mean of its divisors is an integer number (13319397).

Almost surely, 2^401259430 is an apocalyptic number.

401259430 is an abundant number, since it is smaller than the sum of its proper divisors (451181978).

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

401259430 is a wasteful number, since it uses less digits than its factorization.

401259430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 401259430 is about 20031.4610051289. The cubic root of 401259430 is about 737.5787861823.

The spelling of 401259430 in words is "four hundred one million, two hundred fifty-nine thousand, four hundred thirty".