40373030813 has 4 divisors (see below), whose sum is σ = 40375829088. Its totient is φ = 40370232540.

The previous prime is 40373030791. The next prime is 40373030837. The reversal of 40373030813 is 31803037304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40373030813 - 2²² = 40368836509 is a prime.

It is a super-3 number, since 3×40373030813³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40373030813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40373030413) 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, 1377383 + ... + 1406388.

It is an arithmetic number, because the mean of its divisors is an integer number (10093957272).

Almost surely, 2^40373030813 is an apocalyptic number.

It is an amenable number.

40373030813 is a deficient number, since it is larger than the sum of its proper divisors (2798275).

40373030813 is a wasteful number, since it uses less digits than its factorization.

40373030813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798274.

The product of its (nonzero) digits is 18144, while the sum is 32.

The spelling of 40373030813 in words is "forty billion, three hundred seventy-three million, thirty thousand, eight hundred thirteen".