42605951262 has 64 divisors (see below), whose sum is σ = 98664168960. Its totient is φ = 12013553664.

The previous prime is 42605951261. The next prime is 42605951273. The reversal of 42605951262 is 26215950624.

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 (42605951261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3511318 + ... + 3523430.

It is an arithmetic number, because the mean of its divisors is an integer number (1541627640).

Almost surely, 2^42605951262 is an apocalyptic number.

42605951262 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 42605951262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49332084480).

42605951262 is an abundant number, since it is smaller than the sum of its proper divisors (56058217698).

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

42605951262 is a wasteful number, since it uses less digits than its factorization.

42605951262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13217.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 42605951262 in words is "forty-two billion, six hundred five million, nine hundred fifty-one thousand, two hundred sixty-two".