42994540215600 has 240 divisors, whose sum is σ = 138422809516032. Its totient is φ = 11407294791680.

The previous prime is 42994540215593. The next prime is 42994540215607. The reversal of 42994540215600 is 651204549924.

It is an interprime number because it is at equal distance from previous prime (42994540215593) and next prime (42994540215607).

It is a tau number, because it is divible by the number of its divisors (240).

It is not an unprimeable number, because it can be changed into a prime (42994540215607) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 266068429 + ... + 266229971.

Almost surely, 2^{42994540215600} is an apocalyptic number.

42994540215600 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 42994540215600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69211404758016).

42994540215600 is an abundant number, since it is smaller than the sum of its proper divisors (95428269300432).

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

42994540215600 is a wasteful number, since it uses less digits than its factorization.

42994540215600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162684 (or 162673 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 42994540215600 in words is "forty-two trillion, nine hundred ninety-four billion, five hundred forty million, two hundred fifteen thousand, six hundred".