40238902 has 8 divisors (see below), whose sum is σ = 65845512. Its totient is φ = 18290400.

The previous prime is 40238897. The next prime is 40238911. The reversal of 40238902 is 20983204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914499 + ... + 914542.

It is an arithmetic number, because the mean of its divisors is an integer number (8230689).

Almost surely, 2^40238902 is an apocalyptic number.

40238902 is a deficient number, since it is larger than the sum of its proper divisors (25606610).

40238902 is a wasteful number, since it uses less digits than its factorization.

40238902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829054.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 40238902 is about 6343.4140649969. The cubic root of 40238902 is about 342.6746994455.

It can be divided in two parts, 402 and 38902, that added together give a cube (39304 = 34³).

The spelling of 40238902 in words is "forty million, two hundred thirty-eight thousand, nine hundred two".