40115266308400 has 60 divisors (see below), whose sum is σ = 96525887630832. Its totient is φ = 16021305637120.

The previous prime is 40115266308389. The next prime is 40115266308437. The reversal of 40115266308400 is 480366251104.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77243647 + ... + 77761246.

Almost surely, 2^{40115266308400} is an apocalyptic number.

40115266308400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40115266308400 is an abundant number, since it is smaller than the sum of its proper divisors (56410621322432).

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

40115266308400 is a wasteful number, since it uses less digits than its factorization.

40115266308400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155005558 (or 155005547 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 40115266308400 in words is "forty trillion, one hundred fifteen billion, two hundred sixty-six million, three hundred eight thousand, four hundred".