4640135531801 has 16 divisors (see below), whose sum is σ = 5926204142208. Its totient is φ = 3527502460800.

The previous prime is 4640135531791. The next prime is 4640135531803. The reversal of 4640135531801 is 1081355310464.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4640135531801 - 2¹⁰ = 4640135530777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (4640135531803) 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 15 ways as a sum of consecutive naturals, for example, 734893190 + ... + 734899503.

It is an arithmetic number, because the mean of its divisors is an integer number (370387758888).

Almost surely, 2^{4640135531801} is an apocalyptic number.

4640135531801 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4640135531801 is a deficient number, since it is larger than the sum of its proper divisors (1286068610407).

4640135531801 is a wasteful number, since it uses less digits than its factorization.

4640135531801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469792752.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 4640135531801 in words is "four trillion, six hundred forty billion, one hundred thirty-five million, five hundred thirty-one thousand, eight hundred one".