44770633640 has 32 divisors (see below), whose sum is σ = 100763326080. Its totient is φ = 17903026752.

The previous prime is 44770633619. The next prime is 44770633643. The reversal of 44770633640 is 4633607744.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 44770633591 and 44770633600.

It is not an unprimeable number, because it can be changed into a prime (44770633643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23084 + ... + 300123.

It is an arithmetic number, because the mean of its divisors is an integer number (3148853940).

Almost surely, 2^44770633640 is an apocalyptic number.

44770633640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44770633640 is an abundant number, since it is smaller than the sum of its proper divisors (55992692440).

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

44770633640 is a wasteful number, since it uses less digits than its factorization.

44770633640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326681 (or 326677 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 44.

The spelling of 44770633640 in words is "forty-four billion, seven hundred seventy million, six hundred thirty-three thousand, six hundred forty".