649140504 has 32 divisors (see below), whose sum is σ = 1645712640. Its totient is φ = 213332000.

The previous prime is 649140497. The next prime is 649140511. The reversal of 649140504 is 405041946.

It is an interprime number because it is at equal distance from previous prime (649140497) and next prime (649140511).

It is a congruent number.

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, 188772 + ... + 192179.

It is an arithmetic number, because the mean of its divisors is an integer number (51428520).

Almost surely, 2^649140504 is an apocalyptic number.

It is an amenable number.

649140504 is an abundant number, since it is smaller than the sum of its proper divisors (996572136).

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

649140504 is a wasteful number, since it uses less digits than its factorization.

649140504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381031 (or 381027 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 649140504 is about 25478.2358886953. The cubic root of 649140504 is about 865.8571271607.

The spelling of 649140504 in words is "six hundred forty-nine million, one hundred forty thousand, five hundred four".