40620270 has 16 divisors (see below), whose sum is σ = 97488720. Its totient is φ = 10832064.

The previous prime is 40620269. The next prime is 40620289. The reversal of 40620270 is 7202604.

It is a happy number.

It is a Curzon number.

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, 676975 + ... + 677034.

It is an arithmetic number, because the mean of its divisors is an integer number (6093045).

Almost surely, 2^40620270 is an apocalyptic number.

40620270 is an abundant number, since it is smaller than the sum of its proper divisors (56868450).

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

40620270 is a wasteful number, since it uses less digits than its factorization.

40620270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354019.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 40620270 is about 6373.4033294622. The cubic root of 40620270 is about 343.7538745569.

Adding to 40620270 its reverse (7202604), we get a palindrome (47822874).

The spelling of 40620270 in words is "forty million, six hundred twenty thousand, two hundred seventy".