42444751680 has 168 divisors, whose sum is σ = 151399658592. Its totient is φ = 11318579712.

The previous prime is 42444751667. The next prime is 42444751697. The reversal of 42444751680 is 8615744424.

42444751680 is a `hidden beast` number, since 42 + 4 + 447 + 5 + 168 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 195162 + ... + 350681.

It is an arithmetic number, because the mean of its divisors is an integer number (901188444).

Almost surely, 2^42444751680 is an apocalyptic number.

42444751680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42444751680 is an abundant number, since it is smaller than the sum of its proper divisors (108954906912).

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

42444751680 is an equidigital number, since it uses as much as digits as its factorization.

42444751680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545875 (or 545853 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

The spelling of 42444751680 in words is "forty-two billion, four hundred forty-four million, seven hundred fifty-one thousand, six hundred eighty".