42180379294 has 32 divisors (see below), whose sum is σ = 67782886560. Its totient is φ = 19615613952.

The previous prime is 42180379291. The next prime is 42180379337. The reversal of 42180379294 is 49297308124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42180379291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8479392 + ... + 8484364.

It is an arithmetic number, because the mean of its divisors is an integer number (2118215205).

Almost surely, 2^42180379294 is an apocalyptic number.

42180379294 is a deficient number, since it is larger than the sum of its proper divisors (25602507266).

42180379294 is a wasteful number, since it uses less digits than its factorization.

42180379294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7884.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 42180379294 in words is "forty-two billion, one hundred eighty million, three hundred seventy-nine thousand, two hundred ninety-four".