42094604640 has 192 divisors, whose sum is σ = 146006219520. Its totient is φ = 10109245440.

The previous prime is 42094604561. The next prime is 42094604687. The reversal of 42094604640 is 4640649024.

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, 527706 + ... + 602214.

It is an arithmetic number, because the mean of its divisors is an integer number (760449060).

Almost surely, 2^42094604640 is an apocalyptic number.

42094604640 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 42094604640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73003109760).

42094604640 is an abundant number, since it is smaller than the sum of its proper divisors (103911614880).

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

42094604640 is a wasteful number, since it uses less digits than its factorization.

42094604640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74645 (or 74637 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 42094604640 in words is "forty-two billion, ninety-four million, six hundred four thousand, six hundred forty".