675752797440 has 432 divisors, whose sum is σ = 2744268578688. Its totient is φ = 150282584064.

The previous prime is 675752797409. The next prime is 675752797459. The reversal of 675752797440 is 44797257576.

675752797440 is a `hidden beast` number, since 6 + 7 + 57 + 52 + 7 + 97 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2870439 + ... + 3096921.

Almost surely, 2^675752797440 is an apocalyptic number.

675752797440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 675752797440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1372134289344).

675752797440 is an abundant number, since it is smaller than the sum of its proper divisors (2068515781248).

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

675752797440 is a wasteful number, since it uses less digits than its factorization.

675752797440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226554 (or 226537 counting only the distinct ones).

The product of its (nonzero) digits is 103723200, while the sum is 63.

The spelling of 675752797440 in words is "six hundred seventy-five billion, seven hundred fifty-two million, seven hundred ninety-seven thousand, four hundred forty".