401025724 has 12 divisors (see below), whose sum is σ = 765594648. Its totient is φ = 182284400.

The previous prime is 401025707. The next prime is 401025731. The reversal of 401025724 is 427520104.

It is a super-3 number, since 3×401025724³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4557067 + ... + 4557154.

It is an arithmetic number, because the mean of its divisors is an integer number (63799554).

Almost surely, 2^401025724 is an apocalyptic number.

401025724 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

401025724 is a deficient number, since it is larger than the sum of its proper divisors (364568924).

401025724 is a wasteful number, since it uses less digits than its factorization.

401025724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9114236 (or 9114234 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 401025724 is about 20025.6266818295. The cubic root of 401025724 is about 737.4355620804.

Adding to 401025724 its reverse (427520104), we get a palindrome (828545828).

The spelling of 401025724 in words is "four hundred one million, twenty-five thousand, seven hundred twenty-four".