6354723280 has 40 divisors (see below), whose sum is σ = 15552352800. Its totient is φ = 2408105088.

The previous prime is 6354723269. The next prime is 6354723283. The reversal of 6354723280 is 823274536.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6354723283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2088850 + ... + 2091889.

It is an arithmetic number, because the mean of its divisors is an integer number (388808820).

Almost surely, 2^6354723280 is an apocalyptic number.

It is an amenable number.

6354723280 is an abundant number, since it is smaller than the sum of its proper divisors (9197629520).

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

6354723280 is a wasteful number, since it uses less digits than its factorization.

6354723280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180771 (or 4180765 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 6354723280 is about 79716.5182380666. The cubic root of 6354723280 is about 1852.2469197621.

The spelling of 6354723280 in words is "six billion, three hundred fifty-four million, seven hundred twenty-three thousand, two hundred eighty".