39801028378 has 8 divisors (see below), whose sum is σ = 59711944500. Its totient is φ = 19897046880.

The previous prime is 39801028363. The next prime is 39801028387. The reversal of 39801028378 is 87382010893.

39801028378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 22957401289 + 16843627089 = 151517^2 + 129783^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×39801028378² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1719283 + ... + 1742278.

Almost surely, 2^39801028378 is an apocalyptic number.

39801028378 is a deficient number, since it is larger than the sum of its proper divisors (19910916122).

39801028378 is a wasteful number, since it uses less digits than its factorization.

39801028378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3467312.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 39801028378 in words is "thirty-nine billion, eight hundred one million, twenty-eight thousand, three hundred seventy-eight".