42445651100 has 36 divisors (see below), whose sum is σ = 93001328784. Its totient is φ = 16813418880.

The previous prime is 42445651097. The next prime is 42445651109. The reversal of 42445651100 is 115654424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42445651109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2050169 + ... + 2070768.

It is an arithmetic number, because the mean of its divisors is an integer number (2583370244).

Almost surely, 2^42445651100 is an apocalyptic number.

It is an amenable number.

42445651100 is an abundant number, since it is smaller than the sum of its proper divisors (50555677684).

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

42445651100 is a wasteful number, since it uses less digits than its factorization.

42445651100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4121054 (or 4121047 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 42445651100 in words is "forty-two billion, four hundred forty-five million, six hundred fifty-one thousand, one hundred".