654875040 has 48 divisors (see below), whose sum is σ = 2062857888. Its totient is φ = 174633216.

The previous prime is 654875029. The next prime is 654875047. The reversal of 654875040 is 40578456.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×654875040² = 857722636030003200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 654875040.

It is not an unprimeable number, because it can be changed into a prime (654875047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681682 + ... + 682641.

It is an arithmetic number, because the mean of its divisors is an integer number (42976206).

Almost surely, 2^654875040 is an apocalyptic number.

654875040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

654875040 is an abundant number, since it is smaller than the sum of its proper divisors (1407982848).

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

654875040 is a wasteful number, since it uses less digits than its factorization.

654875040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364341 (or 1364333 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 654875040 is about 25590.5263720776. The cubic root of 654875040 is about 868.3993292367.

The spelling of 654875040 in words is "six hundred fifty-four million, eight hundred seventy-five thousand, forty".