503040645466 has 32 divisors (see below), whose sum is σ = 798846143040. Its totient is φ = 237166102656.

The previous prime is 503040645461. The next prime is 503040645469. The reversal of 503040645466 is 664546040305.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (503040645461) 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, 32855785 + ... + 32871091.

It is an arithmetic number, because the mean of its divisors is an integer number (24963941970).

Almost surely, 2^503040645466 is an apocalyptic number.

503040645466 is a deficient number, since it is larger than the sum of its proper divisors (295805497574).

503040645466 is a wasteful number, since it uses less digits than its factorization.

503040645466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28558.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 503040645466 in words is "five hundred three billion, forty million, six hundred forty-five thousand, four hundred sixty-six".