531684269480 has 64 divisors (see below), whose sum is σ = 1472356448640. Its totient is φ = 168269306112.

The previous prime is 531684269449. The next prime is 531684269489. The reversal of 531684269480 is 84962486135.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (531684269489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73029914 + ... + 73037193.

It is an arithmetic number, because the mean of its divisors is an integer number (23005569510).

Almost surely, 2^531684269480 is an apocalyptic number.

It is an amenable number.

531684269480 is an abundant number, since it is smaller than the sum of its proper divisors (940672179160).

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

531684269480 is a wasteful number, since it uses less digits than its factorization.

531684269480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146067138 (or 146067134 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 56.

The spelling of 531684269480 in words is "five hundred thirty-one billion, six hundred eighty-four million, two hundred sixty-nine thousand, four hundred eighty".