40253654412 has 36 divisors (see below), whose sum is σ = 101910597880. Its totient is φ = 13397009472.

The previous prime is 40253654381. The next prime is 40253654417. The reversal of 40253654412 is 21445635204.

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 not an unprimeable number, because it can be changed into a prime (40253654417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 846337 + ... + 892632.

Almost surely, 2^40253654412 is an apocalyptic number.

It is an amenable number.

40253654412 is an abundant number, since it is smaller than the sum of its proper divisors (61656943468).

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

40253654412 is a wasteful number, since it uses less digits than its factorization.

40253654412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739622 (or 1739617 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 40253654412 in words is "forty billion, two hundred fifty-three million, six hundred fifty-four thousand, four hundred twelve".