40740022 has 4 divisors (see below), whose sum is σ = 61110036. Its totient is φ = 20370010.

The previous prime is 40739999. The next prime is 40740043. The reversal of 40740022 is 22004704.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10185004 + ... + 10185007.

It is an arithmetic number, because the mean of its divisors is an integer number (15277509).

Almost surely, 2^40740022 is an apocalyptic number.

40740022 is a deficient number, since it is larger than the sum of its proper divisors (20370014).

40740022 is a wasteful number, since it uses less digits than its factorization.

40740022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20370013.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 40740022 is about 6382.7910822774. The cubic root of 40740022 is about 344.0913483293.

Adding to 40740022 its reverse (22004704), we get a palindrome (62744726).

The spelling of 40740022 in words is "forty million, seven hundred forty thousand, twenty-two".