40215536822 has 4 divisors (see below), whose sum is σ = 60323305236. Its totient is φ = 20107768410.

The previous prime is 40215536797. The next prime is 40215536897. The reversal of 40215536822 is 22863551204.

It is a happy number.

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, 10053884204 + ... + 10053884207.

It is an arithmetic number, because the mean of its divisors is an integer number (15080826309).

Almost surely, 2^40215536822 is an apocalyptic number.

40215536822 is a deficient number, since it is larger than the sum of its proper divisors (20107768414).

40215536822 is a wasteful number, since it uses less digits than its factorization.

40215536822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20107768413.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 40215536822 in words is "forty billion, two hundred fifteen million, five hundred thirty-six thousand, eight hundred twenty-two".