23555400510 has 128 divisors (see below), whose sum is σ = 59491998720. Its totient is φ = 5961073664.

The previous prime is 23555400497. The next prime is 23555400563. The reversal of 23555400510 is 1500455532.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

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, 12752407 + ... + 12754253.

It is an arithmetic number, because the mean of its divisors is an integer number (464781240).

Almost surely, 2^23555400510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23555400510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29745999360).

23555400510 is an abundant number, since it is smaller than the sum of its proper divisors (35936598210).

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

23555400510 is a wasteful number, since it uses less digits than its factorization.

23555400510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130.

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 23555400510 in words is "twenty-three billion, five hundred fifty-five million, four hundred thousand, five hundred ten".