42722925990 has 32 divisors (see below), whose sum is σ = 102540936960. Its totient is φ = 11392123104.

The previous prime is 42722925943. The next prime is 42722925991. The reversal of 42722925990 is 9952922724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42722925991) 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, 717127 + ... + 774413.

It is an arithmetic number, because the mean of its divisors is an integer number (3204404280).

Almost surely, 2^42722925990 is an apocalyptic number.

42722925990 is an abundant number, since it is smaller than the sum of its proper divisors (59818010970).

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

42722925990 is a wasteful number, since it uses less digits than its factorization.

42722925990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82156.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 42722925990 in words is "forty-two billion, seven hundred twenty-two million, nine hundred twenty-five thousand, nine hundred ninety".