42646274280 has 128 divisors (see below), whose sum is σ = 142279862400. Its totient is φ = 11362291200.

The previous prime is 42646274263. The next prime is 42646274291. The reversal of 42646274280 is 8247264624.

42646274280 is a `hidden beast` number, since 42 + 6 + 462 + 74 + 2 + 80 = 666.

42646274280 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 (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1247820 + ... + 1281540.

It is an arithmetic number, because the mean of its divisors is an integer number (1111561425).

Almost surely, 2^42646274280 is an apocalyptic number.

42646274280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42646274280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71139931200).

42646274280 is an abundant number, since it is smaller than the sum of its proper divisors (99633588120).

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

42646274280 is a wasteful number, since it uses less digits than its factorization.

42646274280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34912 (or 34902 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 45.

The spelling of 42646274280 in words is "forty-two billion, six hundred forty-six million, two hundred seventy-four thousand, two hundred eighty".