40501253203 has 4 divisors (see below), whose sum is σ = 42883679880. Its totient is φ = 38118826528.

The previous prime is 40501253201. The next prime is 40501253251. The reversal of 40501253203 is 30235210504.

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

It is a cyclic number.

It is not a de Polignac number, because 40501253203 - 2¹ = 40501253201 is a prime.

It is a super-2 number, since 2×40501253203² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40501253201) 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, 1191213313 + ... + 1191213346.

It is an arithmetic number, because the mean of its divisors is an integer number (10720919970).

Almost surely, 2^40501253203 is an apocalyptic number.

40501253203 is a deficient number, since it is larger than the sum of its proper divisors (2382426677).

40501253203 is a wasteful number, since it uses less digits than its factorization.

40501253203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382426676.

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 40501253203 its reverse (30235210504), we get a palindrome (70736463707).

The spelling of 40501253203 in words is "forty billion, five hundred one million, two hundred fifty-three thousand, two hundred three".