6400242501 has 32 divisors (see below), whose sum is σ = 9096062976. Its totient is φ = 3989088000.

The previous prime is 6400242479. The next prime is 6400242517. The reversal of 6400242501 is 1052420046.

It is not a de Polignac number, because 6400242501 - 2¹¹ = 6400240453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6400242581) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7891386 + ... + 7892196.

It is an arithmetic number, because the mean of its divisors is an integer number (284251968).

Almost surely, 2^6400242501 is an apocalyptic number.

It is an amenable number.

6400242501 is a deficient number, since it is larger than the sum of its proper divisors (2695820475).

6400242501 is a wasteful number, since it uses less digits than its factorization.

6400242501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 6400242501 is about 80001.5156168932. The cubic root of 6400242501 is about 1856.6589829392.

Adding to 6400242501 its reverse (1052420046), we get a palindrome (7452662547).

The spelling of 6400242501 in words is "six billion, four hundred million, two hundred forty-two thousand, five hundred one".