42647367240 has 128 divisors (see below), whose sum is σ = 142566480000. Its totient is φ = 11339944704.

The previous prime is 42647367233. The next prime is 42647367281. The reversal of 42647367240 is 4276374624.

42647367240 is a `hidden beast` number, since 4 + 2 + 6 + 47 + 367 + 240 = 666.

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, 320347 + ... + 433493.

It is an arithmetic number, because the mean of its divisors is an integer number (1113800625).

Almost surely, 2^42647367240 is an apocalyptic number.

42647367240 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 42647367240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71283240000).

42647367240 is an abundant number, since it is smaller than the sum of its proper divisors (99919112760).

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

42647367240 is a wasteful number, since it uses less digits than its factorization.

42647367240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113516 (or 113506 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 45.

The spelling of 42647367240 in words is "forty-two billion, six hundred forty-seven million, three hundred sixty-seven thousand, two hundred forty".