40000000444000 has 96 divisors (see below), whose sum is σ = 99746867447136. Its totient is φ = 15761194099200.

The previous prime is 40000000443961. The next prime is 40000000444049. The reversal of 40000000444000 is 44400000004.

It is a Harshad number since it is a multiple of its sum of digits (16).

40000000444000 is a modest number, since divided by 444000 gives 40000 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74358867 + ... + 74894866.

It is an arithmetic number, because the mean of its divisors is an integer number (1039029869241).

Almost surely, 2^{40000000444000} is an apocalyptic number.

40000000444000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40000000444000 is an abundant number, since it is smaller than the sum of its proper divisors (59746867003136).

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

40000000444000 is a wasteful number, since it uses less digits than its factorization.

40000000444000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149253825 (or 149253807 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 40000000444000 its reverse (44400000004), we get a palindrome (40044400444004).

The spelling of 40000000444000 in words is "forty trillion, four hundred forty-four thousand".