531044416 has 28 divisors (see below), whose sum is σ = 1204333888. Its totient is φ = 227590272.

The previous prime is 531044411. The next prime is 531044417. The reversal of 531044416 is 614440135.

It is a tau number, because it is divible by the number of its divisors (28).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (531044411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592236 + ... + 593131.

Almost surely, 2^531044416 is an apocalyptic number.

531044416 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

531044416 is an abundant number, since it is smaller than the sum of its proper divisors (673289472).

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

531044416 is a wasteful number, since it uses less digits than its factorization.

531044416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185386 (or 1185376 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 531044416 is about 23044.4009685650. The cubic root of 531044416 is about 809.7984643143.

The spelling of 531044416 in words is "five hundred thirty-one million, forty-four thousand, four hundred sixteen".