39970351148 has 192 divisors, whose sum is σ = 93703680000. Its totient is φ = 14780683008.

The previous prime is 39970351111. The next prime is 39970351163. The reversal of 39970351148 is 84115307993.

It is a junction number, because it is equal to n+sod(n) for n = 39970351096 and 39970351105.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26771090 + ... + 26772582.

It is an arithmetic number, because the mean of its divisors is an integer number (488040000).

Almost surely, 2^39970351148 is an apocalyptic number.

39970351148 is a gapful number since it is divisible by the number (38) 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 39970351148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46851840000).

39970351148 is an abundant number, since it is smaller than the sum of its proper divisors (53733328852).

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

39970351148 is a wasteful number, since it uses less digits than its factorization.

39970351148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629 (or 1613 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 39970351148 in words is "thirty-nine billion, nine hundred seventy million, three hundred fifty-one thousand, one hundred forty-eight".