4642573658240 has 64 divisors (see below), whose sum is σ = 12684174471360. Its totient is φ = 1591739538432.

The previous prime is 4642573658221. The next prime is 4642573658243. The reversal of 4642573658240 is 428563752464.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (4642573658243) 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, 518139902 + ... + 518148861.

It is an arithmetic number, because the mean of its divisors is an integer number (198190226115).

Almost surely, 2^{4642573658240} is an apocalyptic number.

4642573658240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4642573658240 is an abundant number, since it is smaller than the sum of its proper divisors (8041600813120).

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

4642573658240 is a wasteful number, since it uses less digits than its factorization.

4642573658240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036288789 (or 1036288777 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 56.

The spelling of 4642573658240 in words is "four trillion, six hundred forty-two billion, five hundred seventy-three million, six hundred fifty-eight thousand, two hundred forty".