40220422402 has 8 divisors (see below), whose sum is σ = 60332669712. Its totient is φ = 20109532500.

The previous prime is 40220422399. The next prime is 40220422421. The reversal of 40220422402 is 20422402204.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261724 + ... + 385927.

It is an arithmetic number, because the mean of its divisors is an integer number (7541583714).

Almost surely, 2^40220422402 is an apocalyptic number.

40220422402 is a deficient number, since it is larger than the sum of its proper divisors (20112247310).

40220422402 is a wasteful number, since it uses less digits than its factorization.

40220422402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678704.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 40220422402 its reverse (20422402204), we get a palindrome (60642824606).

The spelling of 40220422402 in words is "forty billion, two hundred twenty million, four hundred twenty-two thousand, four hundred two".