264540730 has 32 divisors (see below), whose sum is σ = 489950208. Its totient is φ = 102782400.

The previous prime is 264540691. The next prime is 264540739. The reversal of 264540730 is 37045462.

264540730 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 264540692 and 264540701.

It is not an unprimeable number, because it can be changed into a prime (264540739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80520 + ... + 83740.

It is an arithmetic number, because the mean of its divisors is an integer number (15310944).

Almost surely, 2^264540730 is an apocalyptic number.

264540730 is a deficient number, since it is larger than the sum of its proper divisors (225409478).

264540730 is a wasteful number, since it uses less digits than its factorization.

264540730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3462.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 264540730 is about 16264.7081129666. The cubic root of 264540730 is about 641.9445496438.

The spelling of 264540730 in words is "two hundred sixty-four million, five hundred forty thousand, seven hundred thirty".