40947546025 has 9 divisors (see below), whose sum is σ = 50776211703. Its totient is φ = 32757227400.

The previous prime is 40947545987. The next prime is 40947546119. The reversal of 40947546025 is 52064574904.

The square root of 40947546025 is 202355.

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

It can be written as a sum of positive squares in only one way, i.e., 14741116569 + 26206429456 = 121413^2 + 161884^2 .

It is not a de Polignac number, because 40947546025 - 2⁷ = 40947545897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 991540 + ... + 1032010.

Almost surely, 2^40947546025 is an apocalyptic number.

40947546025 is the 202355-th square number.

40947546025 is the 101178-th centered octagonal number.

It is an amenable number.

40947546025 is a deficient number, since it is larger than the sum of its proper divisors (9828665678).

40947546025 is an frugal number, since it uses more digits than its factorization.

40947546025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80952 (or 40476 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 40947546025 in words is "forty billion, nine hundred forty-seven million, five hundred forty-six thousand, twenty-five".