44226428440 has 32 divisors (see below), whose sum is σ = 104746806000. Its totient is φ = 16759488384.

The previous prime is 44226428431. The next prime is 44226428461. The reversal of 44226428440 is 4482462244.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 44226428393 and 44226428402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29095575 + ... + 29097094.

Almost surely, 2^44226428440 is an apocalyptic number.

44226428440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44226428440 is an abundant number, since it is smaller than the sum of its proper divisors (60520377560).

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

44226428440 is a wasteful number, since it uses less digits than its factorization.

44226428440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58192699 (or 58192695 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 40.

The spelling of 44226428440 in words is "forty-four billion, two hundred twenty-six million, four hundred twenty-eight thousand, four hundred forty".