46442272648 has 8 divisors (see below), whose sum is σ = 87079261230. Its totient is φ = 23221136320.

The previous prime is 46442272631. The next prime is 46442272661. The reversal of 46442272648 is 84627224464.

It can be written as a sum of positive squares in only one way, i.e., 36803352964 + 9638919684 = 191842^2 + 98178^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×46442272648² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2902642033 + ... + 2902642048.

Almost surely, 2^46442272648 is an apocalyptic number.

It is an amenable number.

46442272648 is a deficient number, since it is larger than the sum of its proper divisors (40636988582).

46442272648 is a wasteful number, since it uses less digits than its factorization.

46442272648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5805284087 (or 5805284083 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 49.

The spelling of 46442272648 in words is "forty-six billion, four hundred forty-two million, two hundred seventy-two thousand, six hundred forty-eight".