40308196081440 has 576 divisors, whose sum is σ = 148969239810048. Its totient is φ = 9134279884800.

The previous prime is 40308196081397. The next prime is 40308196081459. The reversal of 40308196081440 is 4418069180304.

It is a super-2 number, since 2×40308196081440² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 40308196081440.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5140691920 + ... + 5140699760.

It is an arithmetic number, because the mean of its divisors is an integer number (258627152448).

Almost surely, 2^{40308196081440} is an apocalyptic number.

40308196081440 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 40308196081440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74484619905024).

40308196081440 is an abundant number, since it is smaller than the sum of its proper divisors (108661043728608).

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

40308196081440 is a wasteful number, since it uses less digits than its factorization.

40308196081440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9721 (or 9706 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 40308196081440 in words is "forty trillion, three hundred eight billion, one hundred ninety-six million, eighty-one thousand, four hundred forty".