40905750 has 32 divisors (see below), whose sum is σ = 102102624. Its totient is φ = 10908000.

The previous prime is 40905719. The next prime is 40905797. The reversal of 40905750 is 5750904.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26521 + ... + 28020.

It is an arithmetic number, because the mean of its divisors is an integer number (3190707).

Almost surely, 2^40905750 is an apocalyptic number.

40905750 is an abundant number, since it is smaller than the sum of its proper divisors (61196874).

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

40905750 is a wasteful number, since it uses less digits than its factorization.

40905750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54561 (or 54551 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 40905750 is about 6395.7603144583. The cubic root of 40905750 is about 344.5572981653.

The spelling of 40905750 in words is "forty million, nine hundred five thousand, seven hundred fifty".