40333313957640 has 256 divisors, whose sum is σ = 135119871774720. Its totient is φ = 9547627991040.

The previous prime is 40333313957621. The next prime is 40333313957641. The reversal of 40333313957640 is 4675931333304.

It is not an unprimeable number, because it can be changed into a prime (40333313957641) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26112607 + ... + 27614033.

It is an arithmetic number, because the mean of its divisors is an integer number (527811999120).

Almost surely, 2^{40333313957640} is an apocalyptic number.

40333313957640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40333313957640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67559935887360).

40333313957640 is an abundant number, since it is smaller than the sum of its proper divisors (94786557817080).

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

40333313957640 is a wasteful number, since it uses less digits than its factorization.

40333313957640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501932 (or 1501928 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 51.

The spelling of 40333313957640 in words is "forty trillion, three hundred thirty-three billion, three hundred thirteen million, nine hundred fifty-seven thousand, six hundred forty".