40000022224440 has 64 divisors (see below), whose sum is σ = 121348382061600. Its totient is φ = 10546822336512.

The previous prime is 40000022224439. The next prime is 40000022224489. The reversal of 40000022224440 is 4442222000004.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 40000022224440.

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, 1872649537 + ... + 1872670896.

Almost surely, 2^{40000022224440} is an apocalyptic number.

40000022224440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40000022224440 is an abundant number, since it is smaller than the sum of its proper divisors (81348359837160).

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

40000022224440 is a wasteful number, since it uses less digits than its factorization.

40000022224440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3745320536 (or 3745320532 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 40000022224440 its reverse (4442222000004), we get a palindrome (44442244224444).

The spelling of 40000022224440 in words is "forty trillion, twenty-two million, two hundred twenty-four thousand, four hundred forty".