40138119025 has 27 divisors (see below), whose sum is σ = 52893649219. Its totient is φ = 30208820480.

The previous prime is 40138118971. The next prime is 40138119067. The reversal of 40138119025 is 52091183104.

The square root of 40138119025 is 200345.

It is a perfect power (a square), and thus also a powerful number.

40138119025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 13 ways, for example, as 27563636529 + 12574482496 = 166023^2 + 112136^2 .

It is not a de Polignac number, because 40138119025 - 2¹⁵ = 40138086257 is a prime.

It is a super-2 number, since 2×40138119025² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 17028147 + ... + 17030503.

Almost surely, 2^40138119025 is an apocalyptic number.

40138119025 is the 200345-th square number.

40138119025 is the 100173-rd centered octagonal number.

It is an amenable number.

40138119025 is a deficient number, since it is larger than the sum of its proper divisors (12755530194).

40138119025 is an frugal number, since it uses more digits than its factorization.

40138119025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4758 (or 2379 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 40138119025 in words is "forty billion, one hundred thirty-eight million, one hundred nineteen thousand, twenty-five".