545626464 has 24 divisors (see below), whose sum is σ = 1432269720. Its totient is φ = 181875456.

The previous prime is 545626463. The next prime is 545626469. The reversal of 545626464 is 464626545.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×545626464³ (a number of 27 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545626463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2841709 + ... + 2841900.

It is an arithmetic number, because the mean of its divisors is an integer number (59677905).

Almost surely, 2^545626464 is an apocalyptic number.

It is an amenable number.

545626464 is an abundant number, since it is smaller than the sum of its proper divisors (886643256).

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

545626464 is a wasteful number, since it uses less digits than its factorization.

545626464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5683622 (or 5683614 counting only the distinct ones).

The product of its digits is 691200, while the sum is 42.

The square root of 545626464 is about 23358.6485910465. The cubic root of 545626464 is about 817.1437728229.

The spelling of 545626464 in words is "five hundred forty-five million, six hundred twenty-six thousand, four hundred sixty-four".