4661146325440 has 112 divisors (see below), whose sum is σ = 12109566718080. Its totient is φ = 1694797153280.

The previous prime is 4661146325419. The next prime is 4661146325449. The reversal of 4661146325440 is 445236411664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4661146325449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39516471 + ... + 39634249.

Almost surely, 2^{4661146325440} is an apocalyptic number.

4661146325440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4661146325440 is an abundant number, since it is smaller than the sum of its proper divisors (7448420392640).

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

4661146325440 is a wasteful number, since it uses less digits than its factorization.

4661146325440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129050 (or 129040 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 4661146325440 in words is "four trillion, six hundred sixty-one billion, one hundred forty-six million, three hundred twenty-five thousand, four hundred forty".