42549293680 has 40 divisors (see below), whose sum is σ = 99042433200. Its totient is φ = 16999876608.

The previous prime is 42549293669. The next prime is 42549293711. The reversal of 42549293680 is 8639294524.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240865 + ... + 378304.

It is an arithmetic number, because the mean of its divisors is an integer number (2476060830).

Almost surely, 2^42549293680 is an apocalyptic number.

42549293680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42549293680 is an abundant number, since it is smaller than the sum of its proper divisors (56493139520).

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

42549293680 is a wasteful number, since it uses less digits than its factorization.

42549293680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620041 (or 620035 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 42549293680 in words is "forty-two billion, five hundred forty-nine million, two hundred ninety-three thousand, six hundred eighty".