40501145245 has 16 divisors (see below), whose sum is σ = 53149343040. Its totient is φ = 29383344000.

The previous prime is 40501145227. The next prime is 40501145249. The reversal of 40501145245 is 54254110504.

It is a happy number.

It is not a de Polignac number, because 40501145245 - 2¹⁷ = 40501014173 is a prime.

It is a super-2 number, since 2×40501145245² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40501145249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 877731 + ... + 922720.

It is an arithmetic number, because the mean of its divisors is an integer number (3321833940).

Almost surely, 2^40501145245 is an apocalyptic number.

It is an amenable number.

40501145245 is a deficient number, since it is larger than the sum of its proper divisors (12648197795).

40501145245 is a wasteful number, since it uses less digits than its factorization.

40501145245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800876.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 40501145245 its reverse (54254110504), we get a palindrome (94755255749).

The spelling of 40501145245 in words is "forty billion, five hundred one million, one hundred forty-five thousand, two hundred forty-five".