40122825 has 12 divisors (see below), whose sum is σ = 66336528. Its totient is φ = 21398800.

The previous prime is 40122821. The next prime is 40122847. The reversal of 40122825 is 52822104.

It is not a de Polignac number, because 40122825 - 2² = 40122821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40122795 and 40122804.

It is not an unprimeable number, because it can be changed into a prime (40122821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 267411 + ... + 267560.

It is an arithmetic number, because the mean of its divisors is an integer number (5528044).

Almost surely, 2^40122825 is an apocalyptic number.

It is an amenable number.

40122825 is a deficient number, since it is larger than the sum of its proper divisors (26213703).

40122825 is a wasteful number, since it uses less digits than its factorization.

40122825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534984 (or 534979 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 40122825 is about 6334.2580465276. The cubic root of 40122825 is about 342.3448779844.

Adding to 40122825 its reverse (52822104), we get a palindrome (92944929).

It can be divided in two parts, 40 and 122825, that multiplied together give a cube (4913000 = 170³).

The spelling of 40122825 in words is "forty million, one hundred twenty-two thousand, eight hundred twenty-five".