44067007440 has 60 divisors (see below), whose sum is σ = 147991702404. Its totient is φ = 11751201792.

The previous prime is 44067007433. The next prime is 44067007447. The reversal of 44067007440 is 4470076044.

It is an interprime number because it is at equal distance from previous prime (44067007433) and next prime (44067007447).

It can be written as a sum of positive squares in 2 ways, for example, as 12856838544 + 31210168896 = 113388^2 + 176664^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×44067007440² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 44067007395 and 44067007404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44067007447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30601369 + ... + 30602808.

Almost surely, 2^44067007440 is an apocalyptic number.

44067007440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44067007440 is an abundant number, since it is smaller than the sum of its proper divisors (103924694964).

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

44067007440 is a wasteful number, since it uses less digits than its factorization.

44067007440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61204196 (or 61204187 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The spelling of 44067007440 in words is "forty-four billion, sixty-seven million, seven thousand, four hundred forty".