42252501544 has 64 divisors (see below), whose sum is σ = 87478133760. Its totient is φ = 18972795840.

The previous prime is 42252501479. The next prime is 42252501547. The reversal of 42252501544 is 44510525224.

It is not an unprimeable number, because it can be changed into a prime (42252501547) 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, 3449559 + ... + 3461785.

It is an arithmetic number, because the mean of its divisors is an integer number (1366845840).

Almost surely, 2^42252501544 is an apocalyptic number.

42252501544 is a gapful number since it is divisible by the number (44) 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 42252501544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43739066880).

42252501544 is an abundant number, since it is smaller than the sum of its proper divisors (45225632216).

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

42252501544 is a wasteful number, since it uses less digits than its factorization.

42252501544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12718 (or 12714 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 34.

The spelling of 42252501544 in words is "forty-two billion, two hundred fifty-two million, five hundred one thousand, five hundred forty-four".