42051544000 has 224 divisors, whose sum is σ = 109124496000. Its totient is φ = 16021913600.

The previous prime is 42051543991. The next prime is 42051544019. The reversal of 42051544000 is 44515024.

It is a happy number.

42051544000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 82615746 + ... + 82616254.

Almost surely, 2^42051544000 is an apocalyptic number.

42051544000 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 42051544000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54562248000).

42051544000 is an abundant number, since it is smaller than the sum of its proper divisors (67072952000).

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

42051544000 is a wasteful number, since it uses less digits than its factorization.

42051544000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The spelling of 42051544000 in words is "forty-two billion, fifty-one million, five hundred forty-four thousand".