23926853490 has 64 divisors (see below), whose sum is σ = 60859206144. Its totient is φ = 5999556608.

The previous prime is 23926853449. The next prime is 23926853491. The reversal of 23926853490 is 9435862932.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (23926853491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 538087 + ... + 580853.

It is an arithmetic number, because the mean of its divisors is an integer number (950925096).

Almost surely, 2^23926853490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23926853490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30429603072).

23926853490 is an abundant number, since it is smaller than the sum of its proper divisors (36932352654).

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

23926853490 is a wasteful number, since it uses less digits than its factorization.

23926853490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43891.

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 23926853490 in words is "twenty-three billion, nine hundred twenty-six million, eight hundred fifty-three thousand, four hundred ninety".