65375733633240 has 64 divisors (see below), whose sum is σ = 206449685164800. Its totient is φ = 16515974812032.

The previous prime is 65375733633193. The next prime is 65375733633277. The reversal of 65375733633240 is 4233633757356.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14336781412 + ... + 14336785971.

It is an arithmetic number, because the mean of its divisors is an integer number (3225776330700).

Almost surely, 2^{65375733633240} is an apocalyptic number.

65375733633240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65375733633240 is an abundant number, since it is smaller than the sum of its proper divisors (141073951531560).

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

65375733633240 is a wasteful number, since it uses less digits than its factorization.

65375733633240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28673567416 (or 28673567412 counting only the distinct ones).

The product of its (nonzero) digits is 85730400, while the sum is 57.

The spelling of 65375733633240 in words is "sixty-five trillion, three hundred seventy-five billion, seven hundred thirty-three million, six hundred thirty-three thousand, two hundred forty".