40920250 has 64 divisors (see below), whose sum is σ = 89107200. Its totient is φ = 13780800.

The previous prime is 40920227. The next prime is 40920259. The reversal of 40920250 is 5202904.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40920259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117076 + ... + 117424.

It is an arithmetic number, because the mean of its divisors is an integer number (1392300).

Almost surely, 2^40920250 is an apocalyptic number.

40920250 is an abundant number, since it is smaller than the sum of its proper divisors (48186950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40920250 is a wasteful number, since it uses less digits than its factorization.

40920250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 40920250 is about 6396.8937774517. The cubic root of 40920250 is about 344.5980054873.

The spelling of 40920250 in words is "forty million, nine hundred twenty thousand, two hundred fifty".