40219265828 has 24 divisors (see below), whose sum is σ = 80464108032. Its totient is φ = 17231347584.

The previous prime is 40219265819. The next prime is 40219265893. The reversal of 40219265828 is 82856291204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138101 + ... + 315452.

It is an arithmetic number, because the mean of its divisors is an integer number (3352671168).

Almost surely, 2^40219265828 is an apocalyptic number.

It is an amenable number.

40219265828 is an abundant number, since it is smaller than the sum of its proper divisors (40244842204).

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

40219265828 is a wasteful number, since it uses less digits than its factorization.

40219265828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456731 (or 456729 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 40219265828 in words is "forty billion, two hundred nineteen million, two hundred sixty-five thousand, eight hundred twenty-eight".