44477148889020 has 48 divisors (see below), whose sum is σ = 124542269849088. Its totient is φ = 11859977517120.

The previous prime is 44477148889007. The next prime is 44477148889021. The reversal of 44477148889020 is 2098884177444.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44477148889021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17404416 + ... + 19795655.

It is an arithmetic number, because the mean of its divisors is an integer number (2594630621856).

Almost surely, 2^{44477148889020} is an apocalyptic number.

It is an amenable number.

44477148889020 is an abundant number, since it is smaller than the sum of its proper divisors (80065120960068).

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

44477148889020 is a wasteful number, since it uses less digits than its factorization.

44477148889020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37220010 (or 37220008 counting only the distinct ones).

The product of its (nonzero) digits is 115605504, while the sum is 66.

The spelling of 44477148889020 in words is "forty-four trillion, four hundred seventy-seven billion, one hundred forty-eight million, eight hundred eighty-nine thousand, twenty".