40203211220440 has 32 divisors (see below), whose sum is σ = 90468585654480. Its totient is φ = 16079264860032.

The previous prime is 40203211220429. The next prime is 40203211220479. The reversal of 40203211220440 is 4402211230204.

It is a super-3 number, since 3×40203211220440³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62790879 + ... + 63427918.

Almost surely, 2^{40203211220440} is an apocalyptic number.

40203211220440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40203211220440 is an abundant number, since it is smaller than the sum of its proper divisors (50265374434040).

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

40203211220440 is a wasteful number, since it uses less digits than its factorization.

40203211220440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126226771 (or 126226767 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 40203211220440 its reverse (4402211230204), we get a palindrome (44605422450644).

The spelling of 40203211220440 in words is "forty trillion, two hundred three billion, two hundred eleven million, two hundred twenty thousand, four hundred forty".