65607042791040 has 192 divisors, whose sum is σ = 220708182468960. Its totient is φ = 16574410635264.

The previous prime is 65607042791009. The next prime is 65607042791047. The reversal of 65607042791040 is 4019724070656.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is not an unprimeable number, because it can be changed into a prime (65607042791047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46634214 + ... + 48020453.

Almost surely, 2^{65607042791040} is an apocalyptic number.

65607042791040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65607042791040 is an abundant number, since it is smaller than the sum of its proper divisors (155101139677920).

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

65607042791040 is a wasteful number, since it uses less digits than its factorization.

65607042791040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94654727 (or 94654696 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 65607042791040 in words is "sixty-five trillion, six hundred seven billion, forty-two million, seven hundred ninety-one thousand, forty".