42958021964 has 48 divisors (see below), whose sum is σ = 91168336896. Its totient is φ = 17442907200.

The previous prime is 42958021927. The next prime is 42958021979. The reversal of 42958021964 is 46912085924.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1193582 + ... + 1229045.

It is an arithmetic number, because the mean of its divisors is an integer number (1899340352).

Almost surely, 2^42958021964 is an apocalyptic number.

42958021964 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42958021964 is an abundant number, since it is smaller than the sum of its proper divisors (48210314932).

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

42958021964 is a wasteful number, since it uses less digits than its factorization.

42958021964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422686 (or 2422684 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 42958021964 in words is "forty-two billion, nine hundred fifty-eight million, twenty-one thousand, nine hundred sixty-four".