46422644640 has 48 divisors (see below), whose sum is σ = 146231332128. Its totient is φ = 12379371776.

The previous prime is 46422644633. The next prime is 46422644699. The reversal of 46422644640 is 4644622464.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 46422644592 and 46422644601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48356442 + ... + 48357401.

It is an arithmetic number, because the mean of its divisors is an integer number (3046486086).

Almost surely, 2^46422644640 is an apocalyptic number.

46422644640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

46422644640 is an abundant number, since it is smaller than the sum of its proper divisors (99808687488).

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

46422644640 is a wasteful number, since it uses less digits than its factorization.

46422644640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96713861 (or 96713853 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 42.

The spelling of 46422644640 in words is "forty-six billion, four hundred twenty-two million, six hundred forty-four thousand, six hundred forty".