42667121440 has 48 divisors (see below), whose sum is σ = 100861254648. Its totient is φ = 17056659456.

The previous prime is 42667121437. The next prime is 42667121473. The reversal of 42667121440 is 4412176624.

It can be written as a sum of positive squares in 4 ways, for example, as 37522789264 + 5144332176 = 193708^2 + 71724^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42667121440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192124 + ... + 349636.

Almost surely, 2^42667121440 is an apocalyptic number.

42667121440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42667121440 is an abundant number, since it is smaller than the sum of its proper divisors (58194133208).

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

42667121440 is a wasteful number, since it uses less digits than its factorization.

42667121440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159221 (or 159213 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 42667121440 in words is "forty-two billion, six hundred sixty-seven million, one hundred twenty-one thousand, four hundred forty".