40040344145452 has 24 divisors (see below), whose sum is σ = 82663936302080. Its totient is φ = 16606594345680.

The previous prime is 40040344145387. The next prime is 40040344145509. The reversal of 40040344145452 is 25454144304004.

40040344145452 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

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, 23064713502 + ... + 23064715237.

Almost surely, 2^{40040344145452} is an apocalyptic number.

It is an amenable number.

40040344145452 is an abundant number, since it is smaller than the sum of its proper divisors (42623592156628).

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

40040344145452 is a wasteful number, since it uses less digits than its factorization.

40040344145452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46129428781 (or 46129428779 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 40.

Adding to 40040344145452 its reverse (25454144304004), we get a palindrome (65494488449456).

The spelling of 40040344145452 in words is "forty trillion, forty billion, three hundred forty-four million, one hundred forty-five thousand, four hundred fifty-two".