40620111025 has 24 divisors (see below), whose sum is σ = 54255136824. Its totient is φ = 29989939200.

The previous prime is 40620111019. The next prime is 40620111031. The reversal of 40620111025 is 52011102604.

40620111025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40620111019) and next prime (40620111031).

It can be written as a sum of positive squares in 12 ways, for example, as 28515050496 + 12105060529 = 168864^2 + 110023^2 .

It is not a de Polignac number, because 40620111025 - 2⁹ = 40620110513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40620110987 and 40620111005.

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, 1933377 + ... + 1954273.

It is an arithmetic number, because the mean of its divisors is an integer number (2260630701).

Almost surely, 2^40620111025 is an apocalyptic number.

It is an amenable number.

40620111025 is a deficient number, since it is larger than the sum of its proper divisors (13635025799).

40620111025 is a wasteful number, since it uses less digits than its factorization.

40620111025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26901 (or 26896 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 40620111025 its reverse (52011102604), we get a palindrome (92631213629).

The spelling of 40620111025 in words is "forty billion, six hundred twenty million, one hundred eleven thousand, twenty-five".