54440004465 has 48 divisors (see below), whose sum is σ = 117646978176. Its totient is φ = 22624416000.

The previous prime is 54440004461. The next prime is 54440004571. The reversal of 54440004465 is 56440004445.

It is not a de Polignac number, because 54440004465 - 2² = 54440004461 is a prime.

It is a super-2 number, since 2×54440004465² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54440004461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7852236 + ... + 7859165.

It is an arithmetic number, because the mean of its divisors is an integer number (2450978712).

Almost surely, 2^54440004465 is an apocalyptic number.

54440004465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54440004465 is an abundant number, since it is smaller than the sum of its proper divisors (63206973711).

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

54440004465 is a wasteful number, since it uses less digits than its factorization.

54440004465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15711430 (or 15711427 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

The spelling of 54440004465 in words is "fifty-four billion, four hundred forty million, four thousand, four hundred sixty-five".