40220515351025 has 6 divisors (see below), whose sum is σ = 49873439035302. Its totient is φ = 32176412280800.

The previous prime is 40220515351001. The next prime is 40220515351073. The reversal of 40220515351025 is 52015351502204.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 203162941696 + 40017352409329 = 450736^2 + 6325927^2 .

It is not a de Polignac number, because 40220515351025 - 2¹⁸ = 40220515088881 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 804410306996 + ... + 804410307045.

It is an arithmetic number, because the mean of its divisors is an integer number (8312239839217).

Almost surely, 2^{40220515351025} is an apocalyptic number.

It is an amenable number.

40220515351025 is a deficient number, since it is larger than the sum of its proper divisors (9652923684277).

40220515351025 is a wasteful number, since it uses less digits than its factorization.

40220515351025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608820614051 (or 1608820614046 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 40220515351025 its reverse (52015351502204), we get a palindrome (92235866853229).

The spelling of 40220515351025 in words is "forty trillion, two hundred twenty billion, five hundred fifteen million, three hundred fifty-one thousand, twenty-five".