44542963890 has 48 divisors (see below), whose sum is σ = 115930473048. Its totient is φ = 11865942528.

The previous prime is 44542963889. The next prime is 44542963921. The reversal of 44542963890 is 9836924544.

44542963890 is a `hidden beast` number, since 4 + 4 + 542 + 9 + 6 + 3 + 8 + 90 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 44272788921 + 270174969 = 210411^2 + 16437^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165357 + ... + 341216.

Almost surely, 2^44542963890 is an apocalyptic number.

44542963890 is an abundant number, since it is smaller than the sum of its proper divisors (71387509158).

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

44542963890 is a wasteful number, since it uses less digits than its factorization.

44542963890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507563 (or 507560 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 44542963890 in words is "forty-four billion, five hundred forty-two million, nine hundred sixty-three thousand, eight hundred ninety".