42004404222440 has 64 divisors (see below), whose sum is σ = 103111204858560. Its totient is φ = 15272923563520.

The previous prime is 42004404222413. The next prime is 42004404222463. The reversal of 42004404222440 is 4422240440024.

It is a super-3 number, since 3×42004404222440³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42004404222397 and 42004404222406.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402572 + ... + 9174468.

It is an arithmetic number, because the mean of its divisors is an integer number (1611112575915).

Almost surely, 2^{42004404222440} is an apocalyptic number.

42004404222440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42004404222440 is an abundant number, since it is smaller than the sum of its proper divisors (61106800636120).

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

42004404222440 is a wasteful number, since it uses less digits than its factorization.

42004404222440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8782802 (or 8782798 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 42004404222440 its reverse (4422240440024), we get a palindrome (46426644662464).

The spelling of 42004404222440 in words is "forty-two trillion, four billion, four hundred four million, two hundred twenty-two thousand, four hundred forty".