40403522769372 has 384 divisors, whose sum is σ = 128558949120000. Its totient is φ = 10717679960064.

The previous prime is 40403522769343. The next prime is 40403522769397. The reversal of 40403522769372 is 27396722530404.

It is a happy number.

40403522769372 is a `hidden beast` number, since 4 + 0 + 40 + 3 + 5 + 227 + 6 + 9 + 372 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 144318904 + ... + 144598592.

It is an arithmetic number, because the mean of its divisors is an integer number (334788930000).

Almost surely, 2^{40403522769372} is an apocalyptic number.

40403522769372 is a gapful number since it is divisible by the number (42) 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 40403522769372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64279474560000).

40403522769372 is an abundant number, since it is smaller than the sum of its proper divisors (88155426350628).

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

40403522769372 is a wasteful number, since it uses less digits than its factorization.

40403522769372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279930 (or 279922 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 54.

The spelling of 40403522769372 in words is "forty trillion, four hundred three billion, five hundred twenty-two million, seven hundred sixty-nine thousand, three hundred seventy-two".