4651488791040 has 320 divisors, whose sum is σ = 18301822108416. Its totient is φ = 981412872192.

The previous prime is 4651488791029. The next prime is 4651488791057. The reversal of 4651488791040 is 401978841564.

It is a tau number, because it is divible by the number of its divisors (320).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2628937 + ... + 4026696.

Almost surely, 2^{4651488791040} is an apocalyptic number.

4651488791040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4651488791040 is an abundant number, since it is smaller than the sum of its proper divisors (13650333317376).

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

4651488791040 is a wasteful number, since it uses less digits than its factorization.

4651488791040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6655679 (or 6655663 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 4651488791040 in words is "four trillion, six hundred fifty-one billion, four hundred eighty-eight million, seven hundred ninety-one thousand, forty".