928412346640 has 20 divisors (see below), whose sum is σ = 2158558706124. Its totient is φ = 371364938624.

The previous prime is 928412346637. The next prime is 928412346647. The reversal of 928412346640 is 46643214829.

It can be written as a sum of positive squares in 2 ways, for example, as 508928145664 + 419484200976 = 713392^2 + 647676^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (928412346647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5802577087 + ... + 5802577246.

Almost surely, 2^928412346640 is an apocalyptic number.

It is an amenable number.

928412346640 is an abundant number, since it is smaller than the sum of its proper divisors (1230146359484).

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

928412346640 is a wasteful number, since it uses less digits than its factorization.

928412346640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11605154346 (or 11605154340 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 49.

The spelling of 928412346640 in words is "nine hundred twenty-eight billion, four hundred twelve million, three hundred forty-six thousand, six hundred forty".