40920284 has 6 divisors (see below), whose sum is σ = 71610504. Its totient is φ = 20460140.

The previous prime is 40920283. The next prime is 40920307. The reversal of 40920284 is 48202904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40920283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5115032 + ... + 5115039.

It is an arithmetic number, because the mean of its divisors is an integer number (11935084).

Almost surely, 2^40920284 is an apocalyptic number.

It is an amenable number.

40920284 is a deficient number, since it is larger than the sum of its proper divisors (30690220).

40920284 is a wasteful number, since it uses less digits than its factorization.

40920284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10230075 (or 10230073 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 40920284 is about 6396.8964349910. The cubic root of 40920284 is about 344.5981009277.

The spelling of 40920284 in words is "forty million, nine hundred twenty thousand, two hundred eighty-four".