42655655280 has 320 divisors, whose sum is σ = 156357992448. Its totient is φ = 9413591040.

The previous prime is 42655655279. The next prime is 42655655297. The reversal of 42655655280 is 8255655624.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

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 polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35049232 + ... + 35050448.

Almost surely, 2^42655655280 is an apocalyptic number.

42655655280 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 42655655280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78178996224).

42655655280 is an abundant number, since it is smaller than the sum of its proper divisors (113702337168).

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

42655655280 is a wasteful number, since it uses less digits than its factorization.

42655655280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944 (or 1938 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 48.

The spelling of 42655655280 in words is "forty-two billion, six hundred fifty-five million, six hundred fifty-five thousand, two hundred eighty".