42447431746000 has 160 divisors (see below), whose sum is σ = 103545275678208. Its totient is φ = 16829444403200.

The previous prime is 42447431745977. The next prime is 42447431746037. The reversal of 42447431746000 is 64713474424.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117721989 + ... + 118082011.

Almost surely, 2^{42447431746000} is an apocalyptic number.

42447431746000 is a gapful number since it is divisible by the number (40) 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 42447431746000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51772637839104).

42447431746000 is an abundant number, since it is smaller than the sum of its proper divisors (61097843932208).

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

42447431746000 is a wasteful number, since it uses less digits than its factorization.

42447431746000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360566 (or 360550 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 46.

The spelling of 42447431746000 in words is "forty-two trillion, four hundred forty-seven billion, four hundred thirty-one million, seven hundred forty-six thousand".