40405433552 has 40 divisors (see below), whose sum is σ = 85523112480. Its totient is φ = 18340145280.

The previous prime is 40405433533. The next prime is 40405433567. The reversal of 40405433552 is 25533450404.

40405433552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 37118 + ... + 286685.

It is an arithmetic number, because the mean of its divisors is an integer number (2138077812).

Almost surely, 2^40405433552 is an apocalyptic number.

It is an amenable number.

40405433552 is an abundant number, since it is smaller than the sum of its proper divisors (45117678928).

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

40405433552 is a wasteful number, since it uses less digits than its factorization.

40405433552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324531 (or 324525 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 40405433552 its reverse (25533450404), we get a palindrome (65938883956).

The spelling of 40405433552 in words is "forty billion, four hundred five million, four hundred thirty-three thousand, five hundred fifty-two".