42457603979322 has 160 divisors (see below), whose sum is σ = 111266480100864. Its totient is φ = 11847512628000.

The previous prime is 42457603979317. The next prime is 42457603979369. The reversal of 42457603979322 is 22397930675424.

It is a happy number.

42457603979322 is a `hidden beast` number, since 4 + 2 + 4 + 576 + 0 + 39 + 7 + 9 + 3 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 42457603979322.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 607100697 + ... + 607170627.

Almost surely, 2^{42457603979322} is an apocalyptic number.

42457603979322 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 42457603979322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55633240050432).

42457603979322 is an abundant number, since it is smaller than the sum of its proper divisors (68808876121542).

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

42457603979322 is a wasteful number, since it uses less digits than its factorization.

42457603979322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82446 (or 82437 counting only the distinct ones).

The product of its (nonzero) digits is 137168640, while the sum is 63.

The spelling of 42457603979322 in words is "forty-two trillion, four hundred fifty-seven billion, six hundred three million, nine hundred seventy-nine thousand, three hundred twenty-two".