40501523043 has 20 divisors (see below), whose sum is σ = 60815781928. Its totient is φ = 26861103360.

The previous prime is 40501523017. The next prime is 40501523059. The reversal of 40501523043 is 34032510504.

40501523043 is a `hidden beast` number, since 40 + 501 + 52 + 30 + 43 = 666.

It is not a de Polignac number, because 40501523043 - 2⁵ = 40501523011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40501522998 and 40501523016.

It is not an unprimeable number, because it can be changed into a prime (40501523443) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1279753 + ... + 1311018.

Almost surely, 2^40501523043 is an apocalyptic number.

40501523043 is a deficient number, since it is larger than the sum of its proper divisors (20314258885).

40501523043 is a wasteful number, since it uses less digits than its factorization.

40501523043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590976 (or 2590967 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 40501523043 in words is "forty billion, five hundred one million, five hundred twenty-three thousand, forty-three".