46345851312640 has 80 divisors (see below), whose sum is σ = 121223367413280. Its totient is φ = 16853036830720.

The previous prime is 46345851312637. The next prime is 46345851312647. The reversal of 46345851312640 is 4621315854364.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×46345851312640² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (46345851312647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822874030 + ... + 822930349.

It is an arithmetic number, because the mean of its divisors is an integer number (1515292092666).

Almost surely, 2^{46345851312640} is an apocalyptic number.

46345851312640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46345851312640 is an abundant number, since it is smaller than the sum of its proper divisors (74877516100640).

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

46345851312640 is a wasteful number, since it uses less digits than its factorization.

46345851312640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645804413 (or 1645804397 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 52.

The spelling of 46345851312640 in words is "forty-six trillion, three hundred forty-five billion, eight hundred fifty-one million, three hundred twelve thousand, six hundred forty".