40115512033 has 4 divisors (see below), whose sum is σ = 40119756228. Its totient is φ = 40111267840.

The previous prime is 40115511967. The next prime is 40115512037. The reversal of 40115512033 is 33021551104.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25456840704 + 14658671329 = 159552^2 + 121073^2 .

It is a cyclic number.

It is not a de Polignac number, because 40115512033 - 2⁹ = 40115511521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40115511989 and 40115512007.

It is not an unprimeable number, because it can be changed into a prime (40115512037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2107888 + ... + 2126833.

It is an arithmetic number, because the mean of its divisors is an integer number (10029939057).

Almost surely, 2^40115512033 is an apocalyptic number.

It is an amenable number.

40115512033 is a deficient number, since it is larger than the sum of its proper divisors (4244195).

40115512033 is an equidigital number, since it uses as much as digits as its factorization.

40115512033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4244194.

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 40115512033 in words is "forty billion, one hundred fifteen million, five hundred twelve thousand, thirty-three".