40525223436 has 36 divisors (see below), whose sum is σ = 103453013664. Its totient is φ = 13374660000.

The previous prime is 40525223423. The next prime is 40525223447. The reversal of 40525223436 is 63432252504.

40525223436 is a `hidden beast` number, since 40 + 52 + 522 + 3 + 43 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40525223436.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5569140 + ... + 5576411.

It is an arithmetic number, because the mean of its divisors is an integer number (2873694824).

Almost surely, 2^40525223436 is an apocalyptic number.

It is an amenable number.

40525223436 is an abundant number, since it is smaller than the sum of its proper divisors (62927790228).

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

40525223436 is a wasteful number, since it uses less digits than its factorization.

40525223436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11145662 (or 11145657 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 40525223436 in words is "forty billion, five hundred twenty-five million, two hundred twenty-three thousand, four hundred thirty-six".