940143636564 has 48 divisors (see below), whose sum is σ = 2409153969600. Its totient is φ = 282979978240.

The previous prime is 940143636563. The next prime is 940143636587. The reversal of 940143636564 is 465636341049.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940143636563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23880669 + ... + 23920004.

It is an arithmetic number, because the mean of its divisors is an integer number (50190707700).

Almost surely, 2^940143636564 is an apocalyptic number.

It is an amenable number.

940143636564 is an abundant number, since it is smaller than the sum of its proper divisors (1469010333036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

940143636564 is a wasteful number, since it uses less digits than its factorization.

940143636564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47800840 (or 47800838 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 51.

The spelling of 940143636564 in words is "nine hundred forty billion, one hundred forty-three million, six hundred thirty-six thousand, five hundred sixty-four".