469838528640 has 192 divisors, whose sum is σ = 1747212306840. Its totient is φ = 115652542464.

The previous prime is 469838528603. The next prime is 469838528641. The reversal of 469838528640 is 46825838964.

469838528640 is a `hidden beast` number, since 4 + 69 + 8 + 3 + 8 + 528 + 6 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 314936460864 + 154902067776 = 561192^2 + 393576^2 .

It is a tau number, because it is divible by the number of its divisors (192).

It is not an unprimeable number, because it can be changed into a prime (469838528641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3062397 + ... + 3212156.

Almost surely, 2^469838528640 is an apocalyptic number.

469838528640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

469838528640 is an abundant number, since it is smaller than the sum of its proper divisors (1277373778200).

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

469838528640 is a wasteful number, since it uses less digits than its factorization.

469838528640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6274591 (or 6274576 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 63.

The spelling of 469838528640 in words is "four hundred sixty-nine billion, eight hundred thirty-eight million, five hundred twenty-eight thousand, six hundred forty".