507505643240 has 32 divisors (see below), whose sum is σ = 1142016986880. Its totient is φ = 202979272512.

The previous prime is 507505643237. The next prime is 507505643287. The reversal of 507505643240 is 42346505705.

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, 358352 + ... + 1069311.

It is an arithmetic number, because the mean of its divisors is an integer number (35688030840).

Almost surely, 2^507505643240 is an apocalyptic number.

It is an amenable number.

507505643240 is an abundant number, since it is smaller than the sum of its proper divisors (634511343640).

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

507505643240 is a wasteful number, since it uses less digits than its factorization.

507505643240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436561 (or 1436557 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 41.

The spelling of 507505643240 in words is "five hundred seven billion, five hundred five million, six hundred forty-three thousand, two hundred forty".