40600028531 has 4 divisors (see below), whose sum is σ = 40601005632. Its totient is φ = 40599051432.

The previous prime is 40600028527. The next prime is 40600028549. The reversal of 40600028531 is 13582000604.

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 40600028531 - 2² = 40600028527 is a prime.

It is a super-2 number, since 2×40600028531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40600028494 and 40600028503.

It is not an unprimeable number, because it can be changed into a prime (40600028561) 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, 423320 + ... + 510293.

It is an arithmetic number, because the mean of its divisors is an integer number (10150251408).

Almost surely, 2^40600028531 is an apocalyptic number.

40600028531 is a deficient number, since it is larger than the sum of its proper divisors (977101).

40600028531 is an equidigital number, since it uses as much as digits as its factorization.

40600028531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977100.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 40600028531 in words is "forty billion, six hundred million, twenty-eight thousand, five hundred thirty-one".