506532440 has 16 divisors (see below), whose sum is σ = 1139698080. Its totient is φ = 202612960.

The previous prime is 506532431. The next prime is 506532451. The reversal of 506532440 is 44235605.

It is a super-2 number, since 2×506532440² = 513150225544707200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6331616 + ... + 6331695.

It is an arithmetic number, because the mean of its divisors is an integer number (71231130).

Almost surely, 2^506532440 is an apocalyptic number.

It is an amenable number.

506532440 is an abundant number, since it is smaller than the sum of its proper divisors (633165640).

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

506532440 is a wasteful number, since it uses less digits than its factorization.

506532440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12663322 (or 12663318 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 506532440 is about 22506.2755692718. The cubic root of 506532440 is about 797.1421152758.

The spelling of 506532440 in words is "five hundred six million, five hundred thirty-two thousand, four hundred forty".