40098225 has 24 divisors (see below), whose sum is σ = 66602880. Its totient is φ = 21286720.

The previous prime is 40098217. The next prime is 40098239. The reversal of 40098225 is 52289004.

It is not a de Polignac number, because 40098225 - 2³ = 40098217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40098192 and 40098201.

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, 16807 + ... + 19043.

It is an arithmetic number, because the mean of its divisors is an integer number (2775120).

Almost surely, 2^40098225 is an apocalyptic number.

It is an amenable number.

40098225 is a deficient number, since it is larger than the sum of its proper divisors (26504655).

40098225 is a wasteful number, since it uses less digits than its factorization.

40098225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489 (or 2484 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 40098225 is about 6332.3159270523. The cubic root of 40098225 is about 342.2748978193.

The spelling of 40098225 in words is "forty million, ninety-eight thousand, two hundred twenty-five".