529453849940 has 24 divisors (see below), whose sum is σ = 1113666900360. Its totient is φ = 211436051328.

The previous prime is 529453849931. The next prime is 529453849979. The reversal of 529453849940 is 49948354925.

It can be written as a sum of positive squares in 4 ways, for example, as 14707868176 + 514745981764 = 121276^2 + 717458^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21580475 + ... + 21604994.

It is an arithmetic number, because the mean of its divisors is an integer number (46402787515).

Almost surely, 2^529453849940 is an apocalyptic number.

It is an amenable number.

529453849940 is an abundant number, since it is smaller than the sum of its proper divisors (584213050420).

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

529453849940 is a wasteful number, since it uses less digits than its factorization.

529453849940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43186091 (or 43186089 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 62.

The spelling of 529453849940 in words is "five hundred twenty-nine billion, four hundred fifty-three million, eight hundred forty-nine thousand, nine hundred forty".