42625579440 has 160 divisors (see below), whose sum is σ = 133658802432. Its totient is φ = 11236480000.

The previous prime is 42625579429. The next prime is 42625579457. The reversal of 42625579440 is 4497552624.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 42625579440.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23536135 + ... + 23537945.

Almost surely, 2^42625579440 is an apocalyptic number.

42625579440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42625579440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66829401216).

42625579440 is an abundant number, since it is smaller than the sum of its proper divisors (91033222992).

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

42625579440 is a wasteful number, since it uses less digits than its factorization.

42625579440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2899 (or 2893 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 42625579440 in words is "forty-two billion, six hundred twenty-five million, five hundred seventy-nine thousand, four hundred forty".