40775390 has 16 divisors (see below), whose sum is σ = 73494432. Its totient is φ = 16288224.

The previous prime is 40775381. The next prime is 40775407. The reversal of 40775390 is 9357704.

It is a self number, because there is not a number n which added to its sum of digits gives 40775390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6572 + ... + 11168.

It is an arithmetic number, because the mean of its divisors is an integer number (4593402).

Almost surely, 2^40775390 is an apocalyptic number.

40775390 is a deficient number, since it is larger than the sum of its proper divisors (32719042).

40775390 is a wasteful number, since it uses less digits than its factorization.

40775390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5491.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 40775390 is about 6385.5610560075. The cubic root of 40775390 is about 344.1908925630.

The spelling of 40775390 in words is "forty million, seven hundred seventy-five thousand, three hundred ninety".