40266250 has 20 divisors (see below), whose sum is σ = 75477402. Its totient is φ = 16106000.

The previous prime is 40266211. The next prime is 40266271. The reversal of 40266250 is 5266204.

It can be written as a sum of positive squares in 5 ways, for example, as 5349969 + 34916281 = 2313^2 + 5909^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 14857 + ... + 17356.

Almost surely, 2^40266250 is an apocalyptic number.

40266250 is a deficient number, since it is larger than the sum of its proper divisors (35211152).

40266250 is an equidigital number, since it uses as much as digits as its factorization.

40266250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32235 (or 32220 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 40266250 is about 6345.5693203999. The cubic root of 40266250 is about 342.7523137684.

The spelling of 40266250 in words is "forty million, two hundred sixty-six thousand, two hundred fifty".