39964420284 has 48 divisors (see below), whose sum is σ = 98804966400. Its totient is φ = 12529052416.

The previous prime is 39964420283. The next prime is 39964420313. The reversal of 39964420284 is 48202446993.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39964420283) 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, 225487 + ... + 361625.

It is an arithmetic number, because the mean of its divisors is an integer number (2058436800).

Almost surely, 2^39964420284 is an apocalyptic number.

39964420284 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

39964420284 is an abundant number, since it is smaller than the sum of its proper divisors (58840546116).

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

39964420284 is a wasteful number, since it uses less digits than its factorization.

39964420284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137602 (or 137600 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 39964420284 in words is "thirty-nine billion, nine hundred sixty-four million, four hundred twenty thousand, two hundred eighty-four".