4240928640 has 128 divisors (see below), whose sum is σ = 14557888800. Its totient is φ = 1043914752.

The previous prime is 4240928633. The next prime is 4240928677. The reversal of 4240928640 is 468290424.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 59995 + ... + 109914.

Almost surely, 2^4240928640 is an apocalyptic number.

4240928640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4240928640 is an abundant number, since it is smaller than the sum of its proper divisors (10316960160).

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

4240928640 is a wasteful number, since it uses less digits than its factorization.

4240928640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169944 (or 169932 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 4240928640 is about 65122.4127317163. The cubic root of 4240928640 is about 1618.6526214832.

The spelling of 4240928640 in words is "four billion, two hundred forty million, nine hundred twenty-eight thousand, six hundred forty".