42404103331344 has 120 divisors (see below), whose sum is σ = 125216659058400. Its totient is φ = 13358810234880.

The previous prime is 42404103331339. The next prime is 42404103331357. The reversal of 42404103331344 is 44313330140424.

42404103331344 is a `hidden beast` number, since 4 + 240 + 4 + 10 + 33 + 31 + 344 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 42404103331299 and 42404103331308.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17348337 + ... + 19641104.

It is an arithmetic number, because the mean of its divisors is an integer number (1043472158820).

Almost surely, 2^{42404103331344} is an apocalyptic number.

It is an amenable number.

42404103331344 is an abundant number, since it is smaller than the sum of its proper divisors (82812555727056).

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

42404103331344 is a wasteful number, since it uses less digits than its factorization.

42404103331344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36989893 (or 36989884 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 42404103331344 its reverse (44313330140424), we get a palindrome (86717433471768).

The spelling of 42404103331344 in words is "forty-two trillion, four hundred four billion, one hundred three million, three hundred thirty-one thousand, three hundred forty-four".