509263672 has 8 divisors (see below), whose sum is σ = 954869400. Its totient is φ = 254631832.

The previous prime is 509263637. The next prime is 509263709. The reversal of 509263672 is 276362905.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31828972 + ... + 31828987.

It is an arithmetic number, because the mean of its divisors is an integer number (119358675).

Almost surely, 2^509263672 is an apocalyptic number.

509263672 is the 12063-rd centered heptagonal number.

It is an amenable number.

509263672 is a deficient number, since it is larger than the sum of its proper divisors (445605728).

509263672 is a wasteful number, since it uses less digits than its factorization.

509263672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63657965 (or 63657961 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 509263672 is about 22566.8711167499. The cubic root of 509263672 is about 798.5722827116.

The spelling of 509263672 in words is "five hundred nine million, two hundred sixty-three thousand, six hundred seventy-two".