40534011025 has 24 divisors (see below), whose sum is σ = 50976212760. Its totient is φ = 31966986240.

The previous prime is 40534010989. The next prime is 40534011053. The reversal of 40534011025 is 52011043504.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 1499315841 + 39034695184 = 38721^2 + 197572^2 .

It is not a de Polignac number, because 40534011025 - 2¹⁵ = 40533978257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4757169 + ... + 4765681.

It is an arithmetic number, because the mean of its divisors is an integer number (2124008865).

Almost surely, 2^40534011025 is an apocalyptic number.

It is an amenable number.

40534011025 is a deficient number, since it is larger than the sum of its proper divisors (10442201735).

40534011025 is a wasteful number, since it uses less digits than its factorization.

40534011025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11205 (or 11200 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 40534011025 its reverse (52011043504), we get a palindrome (92545054529).

The spelling of 40534011025 in words is "forty billion, five hundred thirty-four million, eleven thousand, twenty-five".