39855948002 has 32 divisors (see below), whose sum is σ = 66478669824. Its totient is φ = 17796542400.

The previous prime is 39855948001. The next prime is 39855948031. The reversal of 39855948002 is 20084955893.

It is a super-2 number, since 2×39855948002² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39855948001) 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, 4861727 + ... + 4869917.

It is an arithmetic number, because the mean of its divisors is an integer number (2077458432).

Almost surely, 2^39855948002 is an apocalyptic number.

39855948002 is a deficient number, since it is larger than the sum of its proper divisors (26622721822).

39855948002 is a wasteful number, since it uses less digits than its factorization.

39855948002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14274.

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 39855948002 in words is "thirty-nine billion, eight hundred fifty-five million, nine hundred forty-eight thousand, two".