40028227723450 has 48 divisors (see below), whose sum is σ = 78497666676000. Its totient is φ = 15144086341440.

The previous prime is 40028227723373. The next prime is 40028227723457. The reversal of 40028227723450 is 5432772282004.

It is a self number, because there is not a number n which added to its sum of digits gives 40028227723450.

It is not an unprimeable number, because it can be changed into a prime (40028227723457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33446665 + ... + 34622764.

It is an arithmetic number, because the mean of its divisors is an integer number (1635368055750).

Almost surely, 2^{40028227723450} is an apocalyptic number.

40028227723450 is a deficient number, since it is larger than the sum of its proper divisors (38469438952550).

40028227723450 is a wasteful number, since it uses less digits than its factorization.

40028227723450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68070079 (or 68070074 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 46.

The spelling of 40028227723450 in words is "forty trillion, twenty-eight billion, two hundred twenty-seven million, seven hundred twenty-three thousand, four hundred fifty".