45861890016 has 24 divisors (see below), whose sum is σ = 120387461544. Its totient is φ = 15287296640.

The previous prime is 45861889979. The next prime is 45861890071. The reversal of 45861890016 is 61009816854.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238863915 + ... + 238864106.

It is an arithmetic number, because the mean of its divisors is an integer number (5016144231).

Almost surely, 2^45861890016 is an apocalyptic number.

It is an amenable number.

45861890016 is an abundant number, since it is smaller than the sum of its proper divisors (74525571528).

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

45861890016 is a wasteful number, since it uses less digits than its factorization.

45861890016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477728034 (or 477728026 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 45861890016 in words is "forty-five billion, eight hundred sixty-one million, eight hundred ninety thousand, sixteen".