40014144440 has 16 divisors (see below), whose sum is σ = 90031825080. Its totient is φ = 16005657760.

The previous prime is 40014144409. The next prime is 40014144461. The reversal of 40014144440 is 4444141004.

It is a super-2 number, since 2×40014144440² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 500176766 + ... + 500176845.

Almost surely, 2^40014144440 is an apocalyptic number.

40014144440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40014144440 is an abundant number, since it is smaller than the sum of its proper divisors (50017680640).

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

40014144440 is a wasteful number, since it uses less digits than its factorization.

40014144440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000353622 (or 1000353618 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 40014144440 its reverse (4444141004), we get a palindrome (44458285444).

The spelling of 40014144440 in words is "forty billion, fourteen million, one hundred forty-four thousand, four hundred forty".