14456542620 has 192 divisors, whose sum is σ = 46383998976. Its totient is φ = 3332689920.

The previous prime is 14456542591. The next prime is 14456542621. The reversal of 14456542620 is 2624565441.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14456542621) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2795277 + ... + 2800443.

It is an arithmetic number, because the mean of its divisors is an integer number (241583328).

Almost surely, 2^14456542620 is an apocalyptic number.

14456542620 is a gapful number since it is divisible by the number (10) 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 14456542620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23191999488).

14456542620 is an abundant number, since it is smaller than the sum of its proper divisors (31927456356).

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

14456542620 is a wasteful number, since it uses less digits than its factorization.

14456542620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5420 (or 5418 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 14456542620 in words is "fourteen billion, four hundred fifty-six million, five hundred forty-two thousand, six hundred twenty".