264453015378 has 16 divisors (see below), whose sum is σ = 543200788800. Its totient is φ = 85768545456.

The previous prime is 264453015373. The next prime is 264453015391. The reversal of 264453015378 is 873510354462.

It is not an unprimeable number, because it can be changed into a prime (264453015373) 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, 595614678 + ... + 595615121.

It is an arithmetic number, because the mean of its divisors is an integer number (33950049300).

Almost surely, 2^264453015378 is an apocalyptic number.

264453015378 is an abundant number, since it is smaller than the sum of its proper divisors (278747773422).

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

264453015378 is a wasteful number, since it uses less digits than its factorization.

264453015378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191229841.

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 264453015378 in words is "two hundred sixty-four billion, four hundred fifty-three million, fifteen thousand, three hundred seventy-eight".