46242666402640 has 20 divisors (see below), whose sum is σ = 107514199386324. Its totient is φ = 18497066561024.

The previous prime is 46242666402613. The next prime is 46242666402641. The reversal of 46242666402640 is 4620466624264.

It can be written as a sum of positive squares in 2 ways, for example, as 16083853579024 + 30158812823616 = 4010468^2 + 5491704^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46242666402641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289016664937 + ... + 289016665096.

Almost surely, 2^{46242666402640} is an apocalyptic number.

46242666402640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46242666402640 is an abundant number, since it is smaller than the sum of its proper divisors (61271532983684).

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

46242666402640 is a wasteful number, since it uses less digits than its factorization.

46242666402640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578033330046 (or 578033330040 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 52.

The spelling of 46242666402640 in words is "forty-six trillion, two hundred forty-two billion, six hundred sixty-six million, four hundred two thousand, six hundred forty".