675650478240 has 144 divisors (see below), whose sum is σ = 2317604620968. Its totient is φ = 179239845888.

The previous prime is 675650478233. The next prime is 675650478247. The reversal of 675650478240 is 42874056576.

It is a happy number.

675650478240 is a `hidden beast` number, since 6 + 7 + 56 + 504 + 7 + 82 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (675650478233) and next prime (675650478247).

It can be written as a sum of positive squares in 4 ways, for example, as 206003423376 + 469647054864 = 453876^2 + 685308^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (675650478247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 937629 + ... + 1493468.

Almost surely, 2^675650478240 is an apocalyptic number.

675650478240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

675650478240 is an abundant number, since it is smaller than the sum of its proper divisors (1641954142728).

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

675650478240 is a wasteful number, since it uses less digits than its factorization.

675650478240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431311 (or 2431300 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 54.

The spelling of 675650478240 in words is "six hundred seventy-five billion, six hundred fifty million, four hundred seventy-eight thousand, two hundred forty".