46278665550 has 120 divisors (see below), whose sum is σ = 138477527496. Its totient is φ = 11391658560.

The previous prime is 46278665527. The next prime is 46278665567. The reversal of 46278665550 is 5556687264.

46278665550 is a `hidden beast` number, since 4 + 6 + 2 + 7 + 86 + 6 + 5 + 550 = 666.

46278665550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 386844 + ... + 492143.

Almost surely, 2^46278665550 is an apocalyptic number.

46278665550 is an abundant number, since it is smaller than the sum of its proper divisors (92198861946).

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

46278665550 is a wasteful number, since it uses less digits than its factorization.

46278665550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879024 (or 879010 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 54.

The spelling of 46278665550 in words is "forty-six billion, two hundred seventy-eight million, six hundred sixty-five thousand, five hundred fifty".