44420121440402 has 4 divisors (see below), whose sum is σ = 66630182160606. Its totient is φ = 22210060720200.

The previous prime is 44420121440329. The next prime is 44420121440413. The reversal of 44420121440402 is 20404412102444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40092843635881 + 4327277804521 = 6331891^2 + 2080211^2 .

It is a super-2 number, since 2×44420121440402² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105030360099 + ... + 11105030360102.

Almost surely, 2^{44420121440402} is an apocalyptic number.

44420121440402 is a deficient number, since it is larger than the sum of its proper divisors (22210060720204).

44420121440402 is a wasteful number, since it uses less digits than its factorization.

44420121440402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22210060720203.

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 44420121440402 its reverse (20404412102444), we get a palindrome (64824533542846).

The spelling of 44420121440402 in words is "forty-four trillion, four hundred twenty billion, one hundred twenty-one million, four hundred forty thousand, four hundred two".