42265531392 has 176 divisors, whose sum is σ = 129040783872. Its totient is φ = 12048261120.

The previous prime is 42265531387. The next prime is 42265531397. The reversal of 42265531392 is 29313556224.

It is an interprime number because it is at equal distance from previous prime (42265531387) and next prime (42265531397).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42265531397) 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, 10556463 + ... + 10560465.

It is an arithmetic number, because the mean of its divisors is an integer number (733186272).

Almost surely, 2^42265531392 is an apocalyptic number.

42265531392 is a gapful number since it is divisible by the number (42) 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 42265531392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64520391936).

42265531392 is an abundant number, since it is smaller than the sum of its proper divisors (86775252480).

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

42265531392 is a wasteful number, since it uses less digits than its factorization.

42265531392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4524 (or 4506 counting only the distinct ones).

The product of its digits is 388800, while the sum is 42.

The spelling of 42265531392 in words is "forty-two billion, two hundred sixty-five million, five hundred thirty-one thousand, three hundred ninety-two".