39499318272 has 176 divisors, whose sum is σ = 115643381760. Its totient is φ = 11930738688.

The previous prime is 39499318213. The next prime is 39499318277. The reversal of 39499318272 is 27281399493.

It is a super-2 number, since 2×39499318272² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (39499318277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1327753 + ... + 1357175.

Almost surely, 2^39499318272 is an apocalyptic number.

39499318272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39499318272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57821690880).

39499318272 is an abundant number, since it is smaller than the sum of its proper divisors (76144063488).

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

39499318272 is a wasteful number, since it uses less digits than its factorization.

39499318272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29488 (or 29470 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 57.

The spelling of 39499318272 in words is "thirty-nine billion, four hundred ninety-nine million, three hundred eighteen thousand, two hundred seventy-two".