4445654540 has 12 divisors (see below), whose sum is σ = 9335874576. Its totient is φ = 1778261808.

The previous prime is 4445654537. The next prime is 4445654569. The reversal of 4445654540 is 454565444.

It is a super-2 number, since 2×4445654540² = 39527688578045223200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111141344 + ... + 111141383.

It is an arithmetic number, because the mean of its divisors is an integer number (777989548).

Almost surely, 2^4445654540 is an apocalyptic number.

It is an amenable number.

4445654540 is an abundant number, since it is smaller than the sum of its proper divisors (4890220036).

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

4445654540 is a wasteful number, since it uses less digits than its factorization.

4445654540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222282736 (or 222282734 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 41.

The square root of 4445654540 is about 66675.7417656527. The cubic root of 4445654540 is about 1644.2905869600.

The spelling of 4445654540 in words is "four billion, four hundred forty-five million, six hundred fifty-four thousand, five hundred forty".