40525031013 has 8 divisors (see below), whose sum is σ = 54141660000. Its totient is φ = 26962544688.

The previous prime is 40525030981. The next prime is 40525031021. The reversal of 40525031013 is 31013052504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40525031013 - 2⁵ = 40525030981 is a prime.

It is a super-2 number, since 2×40525031013² (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 (40525031513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13533918 + ... + 13536911.

It is an arithmetic number, because the mean of its divisors is an integer number (6767707500).

Almost surely, 2^40525031013 is an apocalyptic number.

It is an amenable number.

40525031013 is a deficient number, since it is larger than the sum of its proper divisors (13616628987).

40525031013 is a wasteful number, since it uses less digits than its factorization.

40525031013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27071331.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 40525031013 its reverse (31013052504), we get a palindrome (71538083517).

The spelling of 40525031013 in words is "forty billion, five hundred twenty-five million, thirty-one thousand, thirteen".