42242200402440 has 64 divisors (see below), whose sum is σ = 126755742024000. Its totient is φ = 11261996479232.

The previous prime is 42242200402411. The next prime is 42242200402453. The reversal of 42242200402440 is 4420400224224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 42242200402398 and 42242200402407.

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, 39949302 + ... + 40993061.

It is an arithmetic number, because the mean of its divisors is an integer number (1980558469125).

Almost surely, 2^{42242200402440} is an apocalyptic number.

42242200402440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42242200402440 is an abundant number, since it is smaller than the sum of its proper divisors (84513541621560).

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

42242200402440 is a wasteful number, since it uses less digits than its factorization.

42242200402440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80946726 (or 80946722 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 42242200402440 its reverse (4420400224224), we get a palindrome (46662600626664).

The spelling of 42242200402440 in words is "forty-two trillion, two hundred forty-two billion, two hundred million, four hundred two thousand, four hundred forty".