40370258 has 4 divisors (see below), whose sum is σ = 60555390. Its totient is φ = 20185128.

The previous prime is 40370251. The next prime is 40370261. The reversal of 40370258 is 85207304.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 40284409 + 85849 = 6347^2 + 293^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40370258.

It is not an unprimeable number, because it can be changed into a prime (40370251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10092563 + ... + 10092566.

Almost surely, 2^40370258 is an apocalyptic number.

40370258 is a deficient number, since it is larger than the sum of its proper divisors (20185132).

40370258 is a wasteful number, since it uses less digits than its factorization.

40370258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20185131.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 40370258 is about 6353.7593596232. The cubic root of 40370258 is about 343.0471705676.

The spelling of 40370258 in words is "forty million, three hundred seventy thousand, two hundred fifty-eight".