42922649536 has 112 divisors (see below), whose sum is σ = 95634864864. Its totient is φ = 18983817216.

The previous prime is 42922649513. The next prime is 42922649537. The reversal of 42922649536 is 63594622924.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42922649537) 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, 1884810 + ... + 1907446.

It is an arithmetic number, because the mean of its divisors is an integer number (853882722).

Almost surely, 2^42922649536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42922649536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47817432432).

42922649536 is an abundant number, since it is smaller than the sum of its proper divisors (52712215328).

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

42922649536 is a wasteful number, since it uses less digits than its factorization.

42922649536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22758 (or 22748 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 52.

The spelling of 42922649536 in words is "forty-two billion, nine hundred twenty-two million, six hundred forty-nine thousand, five hundred thirty-six".