40770958 has 4 divisors (see below), whose sum is σ = 61156440. Its totient is φ = 20385478.

The previous prime is 40770953. The next prime is 40770967. The reversal of 40770958 is 85907704.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 40770958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40770953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10192738 + ... + 10192741.

It is an arithmetic number, because the mean of its divisors is an integer number (15289110).

Almost surely, 2^40770958 is an apocalyptic number.

40770958 is a deficient number, since it is larger than the sum of its proper divisors (20385482).

40770958 is a wasteful number, since it uses less digits than its factorization.

40770958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20385481.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 40770958 is about 6385.2140136412. The cubic root of 40770958 is about 344.1784217294.

The spelling of 40770958 in words is "forty million, seven hundred seventy thousand, nine hundred fifty-eight".