40355492 has 12 divisors (see below), whose sum is σ = 71350860. Its totient is φ = 19969536.

The previous prime is 40355489. The next prime is 40355519. The reversal of 40355492 is 29455304.

It is a happy number.

40355492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8726116 + 31629376 = 2954^2 + 5624^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51617 + ... + 52392.

It is an arithmetic number, because the mean of its divisors is an integer number (5945905).

Almost surely, 2^40355492 is an apocalyptic number.

It is an amenable number.

40355492 is a deficient number, since it is larger than the sum of its proper divisors (30995368).

40355492 is a wasteful number, since it uses less digits than its factorization.

40355492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104110 (or 104108 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 40355492 is about 6352.5972641117. The cubic root of 40355492 is about 343.0053406621.

The spelling of 40355492 in words is "forty million, three hundred fifty-five thousand, four hundred ninety-two".