23649278379408 has 180 divisors, whose sum is σ = 72771044993920. Its totient is φ = 7164271255680.

The previous prime is 23649278379379. The next prime is 23649278379439. The reversal of 23649278379408 is 80497387294632.

23649278379408 is a `hidden beast` number, since 2 + 3 + 64 + 92 + 7 + 8 + 3 + 79 + 408 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 57625785 + ... + 58034727.

Almost surely, 2^{23649278379408} 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 23649278379408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36385522496960).

23649278379408 is an abundant number, since it is smaller than the sum of its proper divisors (49121766614512).

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

23649278379408 is a wasteful number, since it uses less digits than its factorization.

23649278379408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412298 (or 412278 counting only the distinct ones).

The product of its (nonzero) digits is 877879296, while the sum is 72.

The spelling of 23649278379408 in words is "twenty-three trillion, six hundred forty-nine billion, two hundred seventy-eight million, three hundred seventy-nine thousand, four hundred eight".