400424230501 has 8 divisors (see below), whose sum is σ = 409753778720. Its totient is φ = 391095471312.

The previous prime is 400424230439. The next prime is 400424230511. The reversal of 400424230501 is 105032424004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400424230501 - 2¹¹ = 400424228453 is a prime.

It is a super-2 number, since 2×400424230501² (a number of 24 digits) 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 (400424230511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 899791 + ... + 1269043.

It is an arithmetic number, because the mean of its divisors is an integer number (51219222340).

Almost surely, 2^400424230501 is an apocalyptic number.

It is an amenable number.

400424230501 is a deficient number, since it is larger than the sum of its proper divisors (9329548219).

400424230501 is a wasteful number, since it uses less digits than its factorization.

400424230501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394515.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 400424230501 its reverse (105032424004), we get a palindrome (505456654505).

The spelling of 400424230501 in words is "four hundred billion, four hundred twenty-four million, two hundred thirty thousand, five hundred one".