40219216428 has 48 divisors (see below), whose sum is σ = 97100156160. Its totient is φ = 12941544000.

The previous prime is 40219216333. The next prime is 40219216469. The reversal of 40219216428 is 82461291204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2585193 + ... + 2600703.

It is an arithmetic number, because the mean of its divisors is an integer number (2022919920).

Almost surely, 2^40219216428 is an apocalyptic number.

It is an amenable number.

40219216428 is an abundant number, since it is smaller than the sum of its proper divisors (56880939732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40219216428 is a wasteful number, since it uses less digits than its factorization.

40219216428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22998 (or 22996 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 40219216428 in words is "forty billion, two hundred nineteen million, two hundred sixteen thousand, four hundred twenty-eight".