40100240440 has 64 divisors (see below), whose sum is σ = 97659444960. Its totient is φ = 14731046400.

The previous prime is 40100240429. The next prime is 40100240443. The reversal of 40100240440 is 4404200104.

It is a super-2 number, since 2×40100240440² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40100240443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93286 + ... + 298165.

Almost surely, 2^40100240440 is an apocalyptic number.

40100240440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40100240440 is an abundant number, since it is smaller than the sum of its proper divisors (57559204520).

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

40100240440 is a wasteful number, since it uses less digits than its factorization.

40100240440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391672 (or 391668 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 40100240440 its reverse (4404200104), we get a palindrome (44504440544).

The spelling of 40100240440 in words is "forty billion, one hundred million, two hundred forty thousand, four hundred forty".