4640146331564 has 24 divisors (see below), whose sum is σ = 8518578516000. Its totient is φ = 2208520348160.

The previous prime is 4640146331531. The next prime is 4640146331567. The reversal of 4640146331564 is 4651336410464.

It is not an unprimeable number, because it can be changed into a prime (4640146331567) 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, 281690789 + ... + 281707260.

It is an arithmetic number, because the mean of its divisors is an integer number (354940771500).

Almost surely, 2^{4640146331564} is an apocalyptic number.

It is an amenable number.

4640146331564 is a deficient number, since it is larger than the sum of its proper divisors (3878432184436).

4640146331564 is a wasteful number, since it uses less digits than its factorization.

4640146331564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563398153 (or 563398151 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 4640146331564 in words is "four trillion, six hundred forty billion, one hundred forty-six million, three hundred thirty-one thousand, five hundred sixty-four".