42780074080 has 48 divisors (see below), whose sum is σ = 101367957600. Its totient is φ = 17061230592.

The previous prime is 42780074053. The next prime is 42780074087. The reversal of 42780074080 is 8047008724.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42780074087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342780 + ... + 450619.

It is an arithmetic number, because the mean of its divisors is an integer number (2111832450).

Almost surely, 2^42780074080 is an apocalyptic number.

42780074080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42780074080 is an abundant number, since it is smaller than the sum of its proper divisors (58587883520).

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

42780074080 is a wasteful number, since it uses less digits than its factorization.

42780074080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793751 (or 793743 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 40.

The spelling of 42780074080 in words is "forty-two billion, seven hundred eighty million, seventy-four thousand, eighty".