4640156553860 has 24 divisors (see below), whose sum is σ = 9881572833216. Its totient is φ = 1829920893920.

The previous prime is 4640156553853. The next prime is 4640156553937. The reversal of 4640156553860 is 683556510464.

It is a super-2 number, since 2×4640156553860² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1633856522 + ... + 1633859361.

It is an arithmetic number, because the mean of its divisors is an integer number (411732201384).

Almost surely, 2^{4640156553860} is an apocalyptic number.

It is an amenable number.

4640156553860 is an abundant number, since it is smaller than the sum of its proper divisors (5241416279356).

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

4640156553860 is a wasteful number, since it uses less digits than its factorization.

4640156553860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3267715963 (or 3267715961 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 53.

The spelling of 4640156553860 in words is "four trillion, six hundred forty billion, one hundred fifty-six million, five hundred fifty-three thousand, eight hundred sixty".