4640229046640 has 80 divisors (see below), whose sum is σ = 12175146499680. Its totient is φ = 1629171317760.

The previous prime is 4640229046633. The next prime is 4640229046681. The reversal of 4640229046640 is 466409220464.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90888059 + ... + 90939098.

It is an arithmetic number, because the mean of its divisors is an integer number (152189331246).

Almost surely, 2^{4640229046640} is an apocalyptic number.

4640229046640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4640229046640 is an abundant number, since it is smaller than the sum of its proper divisors (7534917453040).

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

4640229046640 is a wasteful number, since it uses less digits than its factorization.

4640229046640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181827210 (or 181827204 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 47.

The spelling of 4640229046640 in words is "four trillion, six hundred forty billion, two hundred twenty-nine million, forty-six thousand, six hundred forty".