44078387386 has 32 divisors (see below), whose sum is σ = 72525855168. Its totient is φ = 19925389440.

The previous prime is 44078387383. The next prime is 44078387387. The reversal of 44078387386 is 68378387044.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 44078387386.

It is not an unprimeable number, because it can be changed into a prime (44078387383) 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, 5054566 + ... + 5063278.

It is an arithmetic number, because the mean of its divisors is an integer number (2266432974).

Almost surely, 2^44078387386 is an apocalyptic number.

44078387386 is a deficient number, since it is larger than the sum of its proper divisors (28447467782).

44078387386 is a wasteful number, since it uses less digits than its factorization.

44078387386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9966.

The product of its (nonzero) digits is 21676032, while the sum is 58.

The spelling of 44078387386 in words is "forty-four billion, seventy-eight million, three hundred eighty-seven thousand, three hundred eighty-six".