39898957248 has 168 divisors, whose sum is σ = 120826255680. Its totient is φ = 12567582720.

The previous prime is 39898957243. The next prime is 39898957249. The reversal of 39898957248 is 84275989893.

39898957248 is a `hidden beast` number, since 3 + 9 + 8 + 9 + 8 + 9 + 572 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39898957243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 759678 + ... + 810498.

Almost surely, 2^39898957248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39898957248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60413127840).

39898957248 is an abundant number, since it is smaller than the sum of its proper divisors (80927298432).

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

39898957248 is a wasteful number, since it uses less digits than its factorization.

39898957248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50915 (or 50902 counting only the distinct ones).

The product of its digits is 313528320, while the sum is 72.

The spelling of 39898957248 in words is "thirty-nine billion, eight hundred ninety-eight million, nine hundred fifty-seven thousand, two hundred forty-eight".