40202013233145 has 32 divisors (see below), whose sum is σ = 65318907064320. Its totient is φ = 21110009215680.

The previous prime is 40202013233077. The next prime is 40202013233153. The reversal of 40202013233145 is 54133231020204.

It is not a de Polignac number, because 40202013233145 - 2⁷ = 40202013233017 is a prime.

It is a super-2 number, since 2×40202013233145² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25187485 + ... + 26735994.

It is an arithmetic number, because the mean of its divisors is an integer number (2041215845760).

Almost surely, 2^{40202013233145} is an apocalyptic number.

It is an amenable number.

40202013233145 is a deficient number, since it is larger than the sum of its proper divisors (25116893831175).

40202013233145 is a wasteful number, since it uses less digits than its factorization.

40202013233145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51924285.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 40202013233145 its reverse (54133231020204), we get a palindrome (94335244253349).

The spelling of 40202013233145 in words is "forty trillion, two hundred two billion, thirteen million, two hundred thirty-three thousand, one hundred forty-five".