42043346322440 has 32 divisors (see below), whose sum is σ = 94730953167000. Its totient is φ = 16793618717184.

The previous prime is 42043346322409. The next prime is 42043346322457. The reversal of 42043346322440 is 4422364334024.

It can be written as a sum of positive squares in 4 ways, for example, as 28806599683684 + 13236746638756 = 5367178^2 + 3638234^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741215405 + ... + 741272124.

Almost surely, 2^{42043346322440} is an apocalyptic number.

42043346322440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42043346322440 is an abundant number, since it is smaller than the sum of its proper divisors (52687606844560).

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

42043346322440 is a wasteful number, since it uses less digits than its factorization.

42043346322440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482488249 (or 1482488245 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 41.

The spelling of 42043346322440 in words is "forty-two trillion, forty-three billion, three hundred forty-six million, three hundred twenty-two thousand, four hundred forty".